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Answered

HELP? 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

B.

$17.06

C.

$317.20

D.

$1,451.91

Verified Answer :

HomertheGenius

Area of sphere:
A= 4 r² π
1.5 ( 4 · 4.2913² · 3.14 - 4 · 1.2598² · 3.14 ) =
= 1.5 ( 231.2956 - 19.933926 ) = 1.5 · 211.36168= 317.044252
Answer: C) $317.20

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