a. A test has 35 questions. If a student has 29 answers correct, what percent was correct? Express your answer to the ones place.
b. An alloy contains 67 g of pure gold and 35 g of pure zinc. What is the percent zinc in the alloy? Express your answer to the ones place.
c. A collection of coins contains 15 pennies, 14 dimes, and 6 quarters. What is the percent of pennies in the collection? Express your answer to the ones place.
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