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problem solving

by sumasajja » Wed Jul 27, 2011 3:01 am
A spraying machine uses 6 full 5 gallon buckets of fungicide every 20 minutes.The number of gallons of fungicide the machine uses during 8 hours of spraying.
a]560
b]600
c]720
d]1000
e]1200
answer is c
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by Kay_LAL » Wed Jul 27, 2011 5:17 am
6*3(20 minutes is 1/3 of an hour)*8=144
144*5=720
not quite sure
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by Ozlemg » Wed Jul 27, 2011 6:11 am
Kay_LAL wrote:6*3(20 minutes is 1/3 of an hour)*8=144
144*5=720
not quite sure
Exactly!
The more you suffer before the test, the less you will do so in the test! :)
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