Question

Pete ate 3/7 of a pizza if Pete ate 9 slides of the pizza how many slices were ther all together

Answer 1

Hi there!!

Your answer is:

21 slices

Explanation:

3/7ths = 9 slices

× 7/3

1 whole pizza = 21 slices

This is called the multiplicative inverse! 3/7 × 7/3 = 1

Hope this helps!

Answer 2

21 slices

Explanation:

given:

3/7 of a pizza ----> represents 9 slices

hence,

1/7 of a pizza -------> represents 9/3 = 3 slices

therefore

a whole pizza

= 7/7 of a pizza -------> represents 3 x 7 = 21 slices