Last month, Hao's ate 40 cans of dog food in 31 days. How many cans should Hao buy to feed his dog for the next 6 days?
The answer is 8 cans
The first step is to calculate the number of can food taken per day
40= 31
x= 1
31x= 40
x= 40/31
= 1.3
1.3 cans is taken in 1 day
Therefore the amount of can taken in 6 days is
= 1.3×6
= 7.8
= ⇒ 8
Hence 8 cans is taken in 6 days
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