Question

The chef of a five star hotel is tripling a recipe for a chocolate cake. The cake requires 3 7/8 cups of flour and 2 1/7 cups of sugar. How much flour and sugar will she need?

Answer 1

The answer to your question is 11 5/8 cups of flour and 6 3/7 cups of sugar

Explanation:

Data

The quantities are tripling

The original amount of flour = 3 7/8

The original amount of sugar = 2 1/7

Process

1.- Calculate the amount of flour

-Convert the mix fraction to improper fraction

3 7/8 = (24 + 7)/8 = 31/8

-Multiply by three

31/3 x 3 = 93/8

-Convert to mix fraction

11

8 93

13

5

- He needs 11 5/8 cups of flour

2.- Calculate the amount of sugar

-Convert to an improper fraction

2 1/7 = (14 + 1) / 7 = 15/7

-Multiply by three

15/7 x 3 = 45/7

-Convert to mix fraction

6

7 45

3

-He needs 6 3/7 cups of sugar