a student answered 86 problems on a test correctly and received a grade 98% how many problems were on the test if all the problems were worth the same number of points

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20-04-2015
Mathematics

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a student answered 86 problems on a test correctly and received a grade 98% how many problems were on the test if all the problems were worth the same number of points

Sagot :

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Gwenuin Gwenuin · Answer 1 · 2015-04-20T15:45:14-04:00

Gwenuin Gwenuin

20-04-2015

98% Grade was achieved, so 0.98 of the questions were answered correctly.

n = number of problems

[tex]\frac{86}{n} = 0.98 \\ \\ n = \frac{86}{0.98} \\ \\ n = 87.755...[/tex]

Our final answer can't be a decimal, so we round it to:

[tex]n = 87[/tex]

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a student answered 86 problems on a test correctly and received a grade 98% how many problems were on the test if all the problems were worth the same number of points

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