Quadratic equation word problems

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1: The outside of a frame measures 14 in by 20 in. 224 in^2 of the picture shows. Find the thickness of the frame?

2: The outside of a frame measures 11 in by 12 in. 30 in^2 of the picture shows. Find the thickness of the frame?

3: A car travels 910 mi at a certain speed. if the speed had been 5 miles per hour faster, the trip would have been made in 1 hr less. Find the speed.

Reference no: EM13119245

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