Question

It takes Billy fifteen minutes to complete 1/8 of a recipe. At this rate how long will it take for him to complete the recipe?

Answer 1

It will take billy two hours to complete it because 15 minutes took up 1/8 of the time and 8 times 15 is 120. 120 minutes is 2 hours.

Answer 2

It takes Billy 15 minutes to complete 1/8 of a recipe.

Multiply 8 to both numbers

1/8 x 8 = 1

15 x 8 = 120

It takes Billy 120 minutes, or 2 hours, for him to complete the recipe.


hope this helps