Question

A recipe calls for 3 cups of milk to make 30 biscuits. How many cups of milk will you need to make 45 biscuits?

Answer 1

The answer is: 4.5 cups.

The explanation is shown below:

1. You need 3 cups of milk to make 30 biscuits.

2. Therefore, to solve the exercise you only need to multiply 45 biscuits by 3 cups and divide this by 30 biscuits.

3. Let's call the cups you will need to make 45 biscuits
`x`. Then, you have:

`x=((45)(3))/(30)\\x=4.5`

4. Therefore, you will need 4.5 cups to make 45 biscuits.