Question

40)

Linda was making chocolate truffles for the first day of
school.
The recipe for 20 chocolate truffles is:
I cup of cream
2 cups of dark chocolate
She noticed this will not be enough truffles for the 42
sure that all
students in each homeroom next year. To be sure that all
students receive a truffle, Linda must adjust her recipe.
a.
Complete the recipe for 42 truffles
cups of cream
- cups of dark Chocolate
Work:

Answer 1

Part 1) 2.1 cups of cream

Part 2) 4.2 cups of dark chocolate

Explanation:

we know that

The recipe for 20 chocolate truffles is:

I cup of cream

2 cups of dark chocolate

step 1

Find how many cups of cream are needed for 42 truffles

using proportion

Let

x-----> the number of cups of cream needed

20/1=42/x

x=42/20=2.1 cups of cream

step 2

Find how many cups of dark chocolate are needed for 42 truffles

using proportion

Let

x-----> the number of cups of dark chocolate needed

20/2=42/x

x=42*2/20=4.2 cups of dark chocolate