Ms. graves gave her class 12 minutes to read.
carrie read 5 1/2 pages in that time.
at what rate, in pages per hour, did carrie read?
show all work.

a) 1 1/10
b) 22
c) 27 1/2
d) 66

27 1/2 pages/hour (Answer C)

Step-by-step explanation:

Find the unit rate:

5  1/2 pages       11/2 pages

=

 (12/60) hr           1/5 hour

To perform this division by 1/5 hour, invert and multiply:

5  1/2 pages       11/2 pages        11 pages      5

= = * = 27 1/2 pages/hour

 (12/60) hr           1/5 hour             2                1 hour

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step-by-step explanation: