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Oksana_A [137]
3 years ago
6

Mary got 85% correct on her math test. Mary missed 6 questions. How many total questions were on her math final?

Mathematics
2 answers:
ipn [44]3 years ago
6 0
Mary had 40 questions on the test.
Solnce55 [7]3 years ago
5 0

Answer: there were 40 questions on her math final.

Step-by-step explanation:

Let x represent the total number of questions in the math test.

Mary got 85% correct on her math test. This means that the number of questions that she got right is

85/100 × x = 0.85 × x = 0.85x

This also means that the number of questions that she missed would be

x - 0.85x = 0.15x

Therefore, if Mary missed 6 questions, it means that

0.15x = 6

Dividing both sides of the equation by 0.15, it becomes

0.15x/0.15 = 6/0.15

x = 40

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