Apair of gym shoes are on sale for 51$ this is 75% of the original price. what was the original price

Ineed i been stuck on this question since yesterday

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches,and a length of 3.2 inches?