What number is 35% of 90?
A3.15
B315
C31.5
D35.9
Answer & Solution
Correct answer: C. 31.5
1. Let n equal the unknown number.
2. The word of means multiply, and the word is means equals, so the sentence translates to n equals 0.35 times 90.
3. Multiply 0.35 by 90 to get 31.5.
_Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 3 "Math Models", section 3.2 Solve Percent Applications_
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