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A pile holds 23 dimes, and each dime is worth 0.10 dollars. What is the pile worth?
AIt is worth 23.10 dollars
BIt is worth 0.23 dollars
CIt is worth 2.30 dollars
DIt is worth 230 dollars
Answer & Solution
Correct answer: C. It is worth 2.30 dollars
1. Use number times value equals total value.
2. The number is 23 and the value of each dime is 0.10 dollars.
3. Multiplying gives 23 times 0.10, which is 2.30 dollars.
4. Answering 23.10 dollars adds the two numbers instead of multiplying them.
_Source: OpenStax Intermediate Algebra (CC BY 4.0), Ch 2 "Solving Linear Equations", section 2.4 Solve Mixture and Uniform Motion Applications_
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