Question

1. kathy earned $30 for babysitting. she has also earned money by doing chores. altogether she has $100. how much did she earn doing chores?

f. $15
g. $20
h. $80
i. $120

Explanation:

Step1: Identify total and known amount

Total earned: $100. Baby - sitting: $20.

Step2: Calculate chore earnings

Let \( x \) be chore earnings. \( 20 + x = 100 \). Solve for \( x \): \( x = 100 - 20 = 80 \).

Answer:

\( \$80 \) (Option H)