Answer: 5 is 12.5 percent of 40

Assume the unknown value is 'Y', and 5 of 40 can be written as:

Y = 5 40

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

Y = 5 40 x 100 100 = 12.5 100

Y = 12.5%

Answer: 5 is 12.5 percent of 40

If you want to use a calculator, simply enter 5÷40x100 and you will get your answer which is 12.5

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Here is a calculator to solve percentage calculations such as 5 is what percent of 40. You can solve this type of calculation with your own values by entering them into the calculator's fields, and click *'Calculate'* to get the result and explanation.

Let's solve the equation for Y by first rewriting it as: **100% / 40 = Y% / 5**

Drop the percentage marks to simplify your calculations: **100 / 40 = Y / 5**

Multiply both sides by 5 to isolate Y on the right side of the equation: **5 ( 100 / 40 ) = Y**

Computing the left side, we get: **12.5 = Y**

This leaves us with our final answer: **5 is 12.5 percent of 40**