Kelly earned $20 for babysitting. She has also earned money by doing chores for 5 weeks. Altogether, she has earned $100. How much does she earn each week for doing chores? a. $25
b. $20
c. $16
d. $10

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers