B
42 times 25.5=1071
771.1/1071= 0.72
(rounded)
not sure
Answer:
Sarah makes more money.
Step-by-step explanation:
Sarah makes $9 an hour babysitting while Samara make $3 an hour babysitting. For every 1-hour Sara babysits, Samara has to babysit 3-hours to make the same amount of money. Hope this helps :)
Answer:
the answer is the Scientific notation of 1×10^13