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## A simple step by step solution for calculating 18 is what percent of 45

We already have our first value **18** and the second value **45**. Let"s assume the unknown value is **Y** which answer we will find out.

As we have all the required values we need, Now we can put them in a simple mathematical formula as below:

STEP 1Y = 18/45

By multiplying both numerator and denominator by 100 we will get:

STEP 2Y = 18/45 × 100/100 = 40/100

STEP 3Y = 40

Finally, we have found the value of Y which is 40 and that is our answer.

If you want to use a calculator to find **18 is what percent of 45**, simply enter **18 ÷ 45 × 100** and you will get your answer which is **40**

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## Sample questions, answers, and how to

**Question:** You have found your aunt’s freshly baked cookies vault which, she just baked! She told you not to eat more than 18 cookies from those, and you ended up eating 45 of them! What percent of the cookies have you eaten?

**Answer:** 40 percent of the cookies that she baked.

**How To:** The key words in this problem are "What Percent" because they let us know that it"s the Percent that is missing. So the two numbers that it gives us must be the "Total" and the "Part" we have.

Part/Total = Percent

In this case, it"s the Total of those cookies that your aunt"s baked. So we put 18 on top and 45 on the bottom of the fraction, and now we"re ready to figure out the part we don"t know; the Percent.

See more: What Does Wie Mean In German Words For Questions & How To Use Them

18/45 = Percent

To find the percent, all we need to do is convert the fraction into its percent form by multiplying both top and bottom part by 100 and here is the way to figure out what the Percent is:

18/45 × 100/100 = 40/100

40 = Percent

And that means you ended up eating 40 Percent of the cookies that she baked.

## Another step by step method

**Step 1:** Let"s solve the equation for Y by first rewriting it as: **100% / 45 = Y% / 18**

**Step 2:** Drop the percentage marks to simplify your calculations: **100 / 45 = Y / 18**

**Step 3:** Multiply both sides by 18 to isolate Y on the right side of the equation: **18 ( 100 / 45 ) = Y**

**Step 4:** Computing the left side, we get: **40 = Y**

This leaves us with our final answer: **18 is 40 percent of 45**

18 is 40 percent of 45 |

18.01 is 40.022 percent of 45 |

18.02 is 40.044 percent of 45 |

18.03 is 40.067 percent of 45 |

18.04 is 40.089 percent of 45 |

18.05 is 40.111 percent of 45 |

18.06 is 40.133 percent of 45 |

18.07 is 40.156 percent of 45 |

18.08 is 40.178 percent of 45 |

18.09 is 40.2 percent of 45 |

18.1 is 40.222 percent of 45 |

18.11 is 40.244 percent of 45 |

18.12 is 40.267 percent of 45 |

18.13 is 40.289 percent of 45 |

18.14 is 40.311 percent of 45 |

18.15 is 40.333 percent of 45 |

18.16 is 40.356 percent of 45 |

18.17 is 40.378 percent of 45 |

18.18 is 40.4 percent of 45 |

18.19 is 40.422 percent of 45 |

18.2 is 40.444 percent of 45 |

18.21 is 40.467 percent of 45 |

18.22 is 40.489 percent of 45 |

18.23 is 40.511 percent of 45 |

18.24 is 40.533 percent of 45 |

18.25 is 40.556 percent of 45 |

18.26 is 40.578 percent of 45 |

18.27 is 40.6 percent of 45 |

18.28 is 40.622 percent of 45 |

18.29 is 40.644 percent of 45 |

18.3 is 40.667 percent of 45 |

18.31 is 40.689 percent of 45 |

18.32 is 40.711 percent of 45 |

18.33 is 40.733 percent of 45 |

18.34 is 40.756 percent of 45 |

18.35 is 40.778 percent of 45 |

18.36 is 40.8 percent of 45 |

18.37 is 40.822 percent of 45 |

18.38 is 40.844 percent of 45 |

18.39 is 40.867 percent of 45 |

18.4 is 40.889 percent of 45 |

18.41 is 40.911 percent of 45 |

18.42 is 40.933 percent of 45 |

18.43 is 40.956 percent of 45 |

18.44 is 40.978 percent of 45 |

18.45 is 41 percent of 45 |

18.46 is 41.022 percent of 45 |

18.47 is 41.044 percent of 45 |

18.48 is 41.067 percent of 45 |

18.49 is 41.089 percent of 45 |

18.5 is 41.111 percent of 45 |

18.51 is 41.133 percent of 45 |

18.52 is 41.156 percent of 45 |

18.53 is 41.178 percent of 45 |

18.54 is 41.2 percent of 45 |

18.55 is 41.222 percent of 45 |

18.56 is 41.244 percent of 45 |

18.57 is 41.267 percent of 45 |

18.58 is 41.289 percent of 45 |

18.59 is 41.311 percent of 45 |

18.6 is 41.333 percent of 45 |

18.61 is 41.356 percent of 45 |

18.62 is 41.378 percent of 45 |

18.63 is 41.4 percent of 45 |

18.64 is 41.422 percent of 45 |

18.65 is 41.444 percent of 45 |

18.66 is 41.467 percent of 45 |

18.67 is 41.489 percent of 45 |

18.68 is 41.511 percent of 45 |

18.69 is 41.533 percent of 45 |

18.7 is 41.556 percent of 45 |

18.71 is 41.578 percent of 45 |

18.72 is 41.6 percent of 45 |

18.73 is 41.622 percent of 45 |

18.74 is 41.644 percent of 45 |

18.75 is 41.667 percent of 45 |

18.76 is 41.689 percent of 45 |

18.77 is 41.711 percent of 45 |

18.78 is 41.733 percent of 45 |

18.79 is 41.756 percent of 45 |

18.8 is 41.778 percent of 45 |

18.81 is 41.8 percent of 45 |

18.82 is 41.822 percent of 45 |

18.83 is 41.844 percent of 45 |

18.84 is 41.867 percent of 45 |

18.85 is 41.889 percent of 45 |

18.86 is 41.911 percent of 45 |

18.87 is 41.933 percent of 45 |

18.88 is 41.956 percent of 45 |

18.89 is 41.978 percent of 45 |

18.9 is 42 percent of 45 |

18.91 is 42.022 percent of 45 |

18.92 is 42.044 percent of 45 |

18.93 is 42.067 percent of 45 |

18.94 is 42.089 percent of 45 |

18.95 is 42.111 percent of 45 |

18.96 is 42.133 percent of 45 |

18.97 is 42.156 percent of 45 |

18.98 is 42.178 percent of 45 |

18.99 is 42.2 percent of 45 |