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At a card show, Jackie purchased a box of 180 baseball cards for $15. What was the cost for 1 card? Round your answer to the nearest cent.

A construction worker worker mixes cement and sand to make motar. He always uses the same ratio of cement to sand, as shown on the table. Cement (Pounds)| Sand (Pounds) 2 | 12 ? | ? 9 | 54 12 | 72 What is the ratio of the two unknown numbers? (?)

At a card show, Jackie purchased a box of 180 baseball cards for $15. What was the cost for 1 card? Round your answer to the nearest cent.

On a recent trip, Mrs. Patel drove 700 miles on 20 gallons of gas. How many miles per gallon did her car use?

A construction worker worker mixes cement and sand to make motar. He always uses the same ratio of cement to sand, as shown on the table. Cement (Pounds)| Sand (Pounds) 2 | 12 ? | ? 9 | 54 12 | 72 Wha are the two unknown numbers?