A machine makes coins and deposits 5475 coins every four minutes in a bin.
Another machine removes 1125 coins from the bin every one minute. If the
bin initially had 3750 coins, find the number of coins in the bin one hour after
both the machines have been switched on simultaneously.
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Answer:
307125 coins.
Step-by-step explanation:
machine A in 4 minutes = 5475 coins
machine A in 1 minute = 5475/4 = 1368.75 coins
machine A in 1 hour(or 60 minutes) = 1368.75*60 = 82125 coins
machine B in 1 minute = 3750 coins
machine B in 1 hour(or 60 minutes) = 3750*60 = 225000 coins
machine A + machine B = 82125+225000 = 307125 coins.
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