Asked by 😂

A circular marble tabletop has a diameter of 42 inches. If the tabletop costs $280, what is the price per square inch?
Answered by Ms. Sue
A = pi * r^2
A = pi * 21 ^2
A = 3.14 * 21 * 21

Divide the area by 280
Answered by 😂
I'm still lost
Answered by oobleck
you want price per sq. inch
That is $/in^2
so, divide the cost by the area

$280/1385in^2 = (280/1385) $/in^2 = $0.202/in^2 or 20.2 cents/in^2

In all these problems, keep track of the units. That will tell you what to divide or multiply by what.
Answered by TAME
IM COUNFUSED
Answered by Alex
I neeed helpppppppp
Answered by .
he is saying the answer is $0.20

Answered by Anonymous
it is 0.5
Answered by GABBY
im sstill sconfused like wtf..... im to stupid for sschool
Answered by GABBY
IM STILL CONFUSED HOW ARE PEOPLE SO GOOD AT MATH LIKE HUH
Answered by unknown 7th grader
thnks for the help guys
Answered by im a 7th grader in need of help
IM SO CONFUSED RN
Answered by help this is due tmr.
ok so how do you find the price per square inch by the diameter
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