What is the ratio of rock cds to country cds

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1. There are 12 black marbles and 8 red marbles in a bag. What is the ratio of black marbles to red marbles?

Mike has 9 rock CDs and 12 country CDs in his music collection. What is the ratio of rock CDs to country CDs?

2. An office assistant can type 1480 words in 20 minutes. Determine the rate of words to minutes.

A box of cereal contains 10 servings. The calories from the entire box of cereal are 75. What is the rate of calories to servings for this cereal?

3. A 16-ounce can of beans costs $0.88. What is the unit price, per ounce?

Ann babysat for 5 hours and was paid $45. What is her pay per hour (unit rate)?

Reference no: EM131034865

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What is the ratio of rock cds to country cds : There are 12 black marbles and 8 red marbles in a bag. What is the ratio of black marbles to red marbles? Mike has 9 rock CDs and 12 country CDs in his music collection. What is the ratio of rock CDs to country CDs?
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