Asked by Soniya
Jack and Jill campared their results on their last exam.Jack had 40 questions correct and Jill had 50 questions correct.There were 32 questions that they both got correct and 6 questions they both got wrong.How many questions are on the test?
Answers
Answered by
Damon
out of n, n-6 were gotten right
so let's find n-6
Jack alone got 40 -32 = 8
Jill alone got 50-32 = 18
so in total alone they got 26
plus they got 32 together
26 + 32 = 58 right total
plus the 6 wrong = 64
so let's find n-6
Jack alone got 40 -32 = 8
Jill alone got 50-32 = 18
so in total alone they got 26
plus they got 32 together
26 + 32 = 58 right total
plus the 6 wrong = 64
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