SOLUTION: Isaiah Prayer hoped to average a 95 for the semester. If his first four test scores were 88,97,94, and 93. What score does he need on his fifth test in order to achieve his goal?

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Question 878243: Isaiah Prayer hoped to average a 95 for the semester. If his first four test scores were 88,97,94, and 93. What score does he need on his fifth test in order to achieve his goal?
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
Assuming all five tests are weighted the same, there are a total of 500 points (5 * 100). So far, he has 88+97+94+93, or 372 points. In order to have a 95 average, he needs .95 * 500, or 475 points.
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Sadly, Isaiah doesn't have a prayer of getting a 95 average ;-) He would need 475-372, or 103 points.