Question

Lucita works at a bookstore and earns $9.50 per hour. She works 3 hours on Friday and 7 hours on Saturday. Which expression does not represent her wages for those days?

A) 9.5(3+7)
B) 10(9.5)
C) 9.5(3)+9.5(7)
D) 9.5(3)(7)

Answer 1

D

Explanation:

If you multiply 3 and 7 you are saying she worked 21 hours when she only worked a total of 10 hours.