Aqua blue paint costs $1.50 per square inch. How much more money would it cost to paint a bowling ball with a radius 4.2913 inches in length than to paint a tennis ball with a radius 1.2598 inches in length? Round your answer to the nearest cent.





A.


$4.55

Respuesta :

surface area of a sphere is roughly 4 times a circle with same radius

4pir^2 is area

bowling bal
r=4.2913
input
4*pi*4.2913=231.413

tennis ball
r=1.2598
input
4*pi*1.2598^2=19.944

minus them
bowling ball-tennis bball=231.413-19.944=211.469
multily that by 1.50
211.469 times 1.50=317.203

answer is $317.20 more