Question

Four cans of dog food will feed 3 dogs for 1 day, for how many days will 40 cans feed 2 dogs

Answer 1

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:

40 cans will feed 2 dogs for 7 days

Answer 2

Explanation:

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