Solve If Needed, Round Money Amounts to Two Decimal Places

question 112

Multiple Choice

Solve. If needed, round money amounts to two decimal places and all other amounts to one decimal place.
-A chemist needs 170 milliliters of a 71% solution but has only 47% and 98% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.

• A) 70 ml of 47%; 100 ml of 98%
• B) 100 ml of 47%; 70 ml of 98%
• C) 90 ml of 47%; 80 ml of 98%
• D) 80 ml of 47%; 90 ml of 98%

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