Question

Eliza's puppy weighed 22 kilograms at 12 months of age. This is a 120% gain from its weight at 6 months. Eliza used these steps to find the puppy's weight at 6 months, but made an error.

Step 1. Let 𝓍 represent the puppy's weight at 6 months.

Step 2. 𝓍 + 120/100 = 22

Step 3. 𝓍 + 1.2 = 22

Step 4. 𝓍 = 22 - 1.2

Part A
(1) In which step did Eliza make an error?

Answer 1

@perl @e.mccormick