Mathematics, 15.01.2021 20:00 rachellynn02
if John has test scores of 90 and 76 with one test remaining to be taken, what score must he make on the last test to end up with an 86 average?
Answers: 2
258 = 90 + 76 + x (multiple both sides by 3)258 = 166 + x (combine like terms)92 = x (subtract 166 from both sides)Another question on Mathematics
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if John has test scores of 90 and 76 with one test remaining to be taken, what score must he make on...
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