SOLUTION: Jack and Tyra took the same test and each received a numerical score based on how many items they answered correctly. Their average percentage correct was 70% and the sum of their

Question 1114367: Jack and Tyra took the same test and each received a numerical score based on how many items they answered correctly. Their average percentage correct was 70% and the sum of their scores was 84. What was the maximum possible score available on this test?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Assume that X is the maximum possible score you can get on the test,

and also you know the sum of their scores,

So substituting,

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