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How to do word problems where one quantity is unknown Practice Test
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Q1
Barbara lives 
miles from the beach, and her friend Josef lives 
miles from the beach. If Barbara and Joe leave their homes at the same time, and Barbara drives 
miles per hour, how fast will Joe need to drive to arrive at the beach at the exact same time as Barbara?
Barbara lives
units of fence. If he uses this to build a square fence, what will be the length of each side?