Question

In a pie eating contest, a

participant eats 4 pies in 15

minutes. At this rate, how many

minutes will it take the participant

to eat 20 pies?

Answer 1

75 minutes

Explanation:

Make an equation

4 pies to 15 minutes = 20 pies to x minutes

4 / 15 = 20 / x

Now cross multiply

4x = 15 × 20

And multiply 15 and 20

4x = 300

Then divide both sides by 4

x = 75

So your answer is 75 minutes