How many revolutions does the merry go round

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A mery go round starts spinning at 14 rev per min, but slows to 2 rev per min after 4 min. how many revolutions does the merry go round make in 4 min

a) 8 rev
b) 32 rev
c) 44 rev
d) 56 rev.

Reference no: EM13798749

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