A student answered 86 problems on a test correctly and received a grade of 98%. How many problems were on the test, if all the p
roblems were worth the same number of points? (Round to the nearest whole number).
1 answer:
Answer:
88 problems
Step-by-step explanation:
Set this problem up as fractions
86/x = 98/100
Cross multiply
86 × 100 = x × 98
8600 = 98x
Divide both sides by 98
87.75... = x
Round to nearest whole number
87.75 rounds up to 88
88 problems
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Step-by-step explanation:
Answer:
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Step-by-step explanation:
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How I got it.
x - 30 + x = 90
then solve for x
Hope this helps!
