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● RATIOS, PROPORTIONS, AND PERCENTS

Finding a percentage of a total amount: Real-world situations
milliliters
Explanation
A chemist is using 389 milliliters of a solution of acid and water. If 14.2% of the solution is acid, how many milliliters of acid are
there? Round your answer to the nearest tenth.
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User Cuspymd
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1 Answer

4 votes

Answer:

55.2 mL

Explanation:

To find the percent of a number, change the percent to a decimal by dividing the percent by 100, and multiply by the number.

14.2% of 389 mL =

= 0.142 × 389 mL

= 55.238 mL

Answer: 55.2 mL

User Expiredninja
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