Suppose you earned 7t – 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer.

A. –t + 4 dollars
B. –t – 6 dollars
C. 15t – 6 dollars
D. 15t + 4 dollars

1 answer

To find the total earnings, we add the earnings from Monday and Tuesday:

Total Earnings = (7t - 1) + (8t + 5)
Total Earnings = 15t + 4

Therefore, the answer is D. 15t + 4 dollars.
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