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The perimeter of a rectangle is 76 cm. The length of the rectangle is eight more than four times its width. What are the dimensions of the rectangle?

Marie is paid $5.75 per hour for working at the RGM Manufacturing plant. Her boss informs her that she is receiving a $0.23 per hour wage increase. What percent increase has she received?

One method for determining the depth of a well is to drop a stone into it and then measure the time it takes until the splash is heard. If d is the depth of the well (in feet) and t1 the time (in seconds) it takes for the stone to fall, then d = 16t12, so t1 = √d/4....