Question

The recipe for mint chocolate ice cream requires 2 1/2 cups of cream for 5 people. You need ice cream for 8 people. How much cream will you need?

Answer 1

Answer:

cream needed from 5 people =21/4

cream needed for 1 person = 21/4/5= 21/20=1.05

cream needed for 8 people = (1.05×8)= 8.4

hence, 8.4 cup of cream is needed for 8 people

Answer 2

Answer:

I will need 4 cups cream.

Step-by-step explanation:

Given,The recipe for mint chocolate ice cream requires $2 \frac{1}{2}$

cups of cream for 5 people.

So,For 5 people require $2 \frac{1}{2} = \frac{5}{2}$ cups cream.

Here we want to find require number of cups of cream for 8 people.

By Unitary method,we can solve this problem.

But now question is what is the use of Unitary method.

If cost of 1 apple is 5 rupees

then by Unitary method cost of 10 apples is (5×10)=50 rupees.

Here we need for 5 people

$\frac{5}{2}$ cups cream

By Unitary method,we need for 1 people

$\frac{ \frac{5}{2} }{5} = \frac{5}{2 \times 5} \\ = \frac{1}{2}$

cup cream

Now ,we need for 8 people $8 \times \frac{1}{2} = 4$ cups cream.

Know more about Unitary method,

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