Answer
$$33\frac{1}{3}\% .$$
Work Step by Step
To get percent of antifreeze in the mixture, we divide 5 quarts of pure antifreeze by 15 quarts of water as follows $$ \frac{5}{15}\times 100=33\frac{1}{3}\% \approx 33.33\% .$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 7 - Test - Page 290: 8
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