Question

1. explain how you can use proportional reasoning to determine the whole if you know that 21 is 60% of the whole. lesson 3-2

Explanation:

Step1: Define variables

Let \( w = \text{whole} \). 60% = \( 0.6 \), so \( 0.6w = 21 \).

Step2: Solve for \( w \)

Divide both sides by 0.6: \( w = \frac{21}{0.6} \).

Step3: Calculate the value

\( \frac{21}{0.6} = 35 \).

Answer:

35