SOLUTION: Yesterday Art earned $10.00 less than Bill, and today Art earned $7.50 more than Bill. Which of the following must b true about Art's total earnings for the two days compared Bill'

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Question 334502: Yesterday Art earned $10.00 less than Bill, and today Art earned $7.50 more than Bill. Which of the following must b true about Art's total earnings for the two days compared Bill's?

(A)Art earned 3/4 of what Bill earned.
(B) Art earned $17.50 more than Bill.
(C) Art earned $2.50 more than Bill.
(D) Art earned $2.50 less than Bill.
(E) Art earned $17.50 less than Bill.

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!



Let represent the amount Bill earned the first day. Then is the amount Art earned on the first day. Let represent the amount Bill earned the second day. Then is the amount Art earned on the second day.

In total, Bill earned:

In total, Art earned:

The difference is:



A little simplification and you will have your answer. Remember, a negative amount means Art got less than Bill.

John

My calculator said it, I believe it, that settles it