SOLUTION: Phillip completed three maths tests. his mean mark was 64% what mark (out of 100) does he have to get in his next test to increase the mean to 65%

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Question 1043081: Phillip completed three maths tests. his mean mark was 64% what mark (out of 100) does he have to get in his next test to increase the mean to 65%
Answer by josgarithmetic(39631) About Me  (Show Source):
You can put this solution on YOUR website!
score expected, s

%2864%2B64%2B64%2Bs%29%2F4=65