Free Practice Question
PS · Problem Solving
705-805
Mixture
Lotmonade Inc. produces lemonade: a mixture of sugar and lemon juice ,with varying sugar content ,at $7.95/litre. The lemonade contains 7% sugar.Another lemonade containing 75% lemon juice costs $8.10/litre. How much does Jessica pay for 6 liters of a lemonade containing 12% sugar?
Answer Choices
Correct answer marked belowA
$84.84
B
$79.92
C
$74.94
$47.94
Correct
E
None of these
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What it tests
Your ability to reason about weighted averages and the composition of mixtures.
Common trap
Averaging the percentages of two solutions without weighting by their volumes.
Details
Difficulty
705-805
Type
PS
Category