SOLUTION: Justin has an average of 94 in math, based on five test scores. He needs a 93 average to get an "A". What grade must he get on his last test in order to get an "A"? Round to the

Question 391180: Justin has an average of 94 in math, based on five test scores. He needs a 93 average to get an "A". What grade must he get on his last test in order to get an "A"? Round to the nearest whole number, if necessary.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the grade he must get on last test
The sum of his scores on the 1st 5 tests is
because the formula for average is (sum of scores)/(# of tests) = average

He must get at least an 88
check:
suppose he got an 87?

He wouldn't get an A
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