Question

Kelly works at her own nail salon. Today, she did 10 manicures and received $52.50 overall in tips.

If x represents the cost of each manicure, which of the following equations can be used to find the total amount of money she earned, including tips, for her nail salon today?
A. y = 52.5(x + 10)
B. y = 52.5x + 10
C. y = 10x + 52.5
D. y = 10(x + 52.5)

Answer 1

C

Answer 2

Two freight trains are delivering cargo. One freight train is delivering coal, and the other freight train is delivering grain. Their respective distances traveled after x hours is represented in the table and graph below.

Coal Freight Train
Time
(Hours) Distance Traveled
(Miles)
1 50
2 100
3 150
4 200


Which freight train is traveling at a faster speed?
A. The grain freight train is traveling at a faster speed.

B. The coal freight train is traveling at a faster speed.

C. There is not enough information to determine the speed of the trains.

D. Both freight trains are traveling at the same speed.

Answer 3

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