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How many grams are there in 457.25 pounds? How many centimeters are there in 0.985 inches? How many quarts are there in 2.75 L? How many feet are there in 8.75 km? How many milligrams are there in 62.4 ounces? 6. How many cups are there in 6.25x1022 nL? (CHALLENGE) 1. If a plane is traveling 300 miles per hour, how long will it take to travel ... ................
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