Mathematics, 06.09.2019 18:30, machucagm01

The temperature falls from 0 degrees to -12 1/4 degrees in 3 1/2 hours. which expression finds the change in temperature per hour?
a. -7/-2 divided by 49/4
b. -7/-2 times 49/4
c. -49/-4 times 7/2
d. -49/-4 divided by 7/2 need answer asap

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The temperature falls from 0 degrees to -12 1/4 degrees in 3 1/2 hours. which expression finds the c...