Part A
Barbara provides childcare for one of her neighbors. She earns $9 each hour. In March, she provided
care for 15 hours, and in April she provided care for 22 hours. Which of the following equations can you
use the find the amount of money Barbara earned in March and April?
O A. 9 (15+22) = a
O B. 15 +9= a + (22+t)
O
C. 5 (15+22)-9=a
OD. (15 x 9) + (5 × 22) = a