Apuppy is on sale at a pet store for $432, marked down 10% from an original selling price of $480. if the markup from cost to sale price was $72, what was the cost? use pencil and paper. how would you solve the problem if you were not given the sale price?

To keep cylindrical tanks from tipping over, a designer is planning to enlarge the original area of the base by 50%. the new tank should have the same volume as the original. how should the designer change the height of the tank? a: make it 50% taller than the height of the original tank. b: make it 6623% taller than the height of the original tank c: make it 3313% shorter than the height of the original tank d: make it 50% shorter than the height of the original tank.