The most important thing in this problem is understanding and then dividing the given units properly. The first thing that is given is that the CD makes 58 1/2 revolutions in 3/4 minutes. We have to first simplify the number of revolutions made by the CD. This will make the problem in hand very easy.
Number of revolutions made by the CD = 58 1/2
= 117/2
Then
The unit rate = (117/2)/(3/4)
= (117 * 4)/(2 * 3)
= (117 * 2)/3
= 39 * 2
78
So the unit rate is 78 revolutions per minute.
1 yard = 3 feet.
Divide total feet by 3 to get yards:
72 feet / 3 = 24 yards.
$25 dollars because the shirt costs $25 and that already rounds to the nearest cent.
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Step-by-step explanation: Meow
