Answer:
40 cans will feed 2 dogs for 7 days
Explanation:
let x be the number of days to find:
cans dogs days
4 3 1
40 2 x
x = 40/4 * 2/3 = 10 * 2/3 = 20/3 = 6.7 = 7
thus:
4 cans three dogs one day = 4/3 can per day per dog. 4/3 c / d day
40 cans / 4/3 c / d day = 30 dog days for ONE dog
TWO dogs would last 1/2 as long or 15 days
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