PLEASE HELP!! Find the value of x.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for