Question

Liza gets paid $5.50 an hour to babysit her little cousins. Last weekend, she watched them for three hours on Friday, nine hours on Saturday, and seven hours on Sunday. How much money does her aunt owe her for her babysitting services?
A. $110.00
B. $104.50
C. $55.00
D. $16.50

Answer 1

3+9+7= 19
5.50 x 19 = 104.5
You add a zero at the end and your answer is

B. $104.50

Answer 2

Answer: B (104.50)

explanation: 5.5*3=16.5
5.5*9=49.5
5.5*7=38.5

16.5, 49.5, and 38.5 added all together is 104.5 or $104.50