PLEASE HELLP MEE PLEASE I NEED THIS ANSWER RIGHT NOW!

Koran is thinking about building a toy like this for his younger cousins to play with.

The entire toy is made out of soft foam so the other children don’t hurt themselves. How much foam would Koran need to build his toy! Show your work. Explain your reasoning.

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.