SOLUTION: jan had an average of 88 on her first three math test. her scores on the second and third tests were 79 and 93 what was her score on the first test?
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Question 523645: jan had an average of 88 on her first three math test. her scores on the second and third tests were 79 and 93 what was her score on the first test? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! jan had an average of 88 on her first three math test. her scores on the second and third tests were 79 and 93 what was her score on the first test?
: = 88
multiply both sides by 3
x + 79 + 93 = 3(88)
x + 172 = 264
x = 264 - 172
x = 92 on her first test
