Hassem and his family cut an apple pie into 5 equal slices and a blueberry pie into 10 equal slices. They ate  of the apple pie. If they ate the same fraction of the blueberry pie, how many slices of the blueberry pie did they eat?

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10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.