If five dogs consume three cans of pet food in four days, how many cans fifteen dogs consume in twelve days ?
12
18
25
27
30
12
18
25
27
30
Its 27 if i am not not wrong
No. of dogs(d) is directly proportion to no of cans(c) and inversely proportion to time(t)
(d1*t1)/c1=(d2*t2)/c2 we have to find c2
(5*4)/3=(15*12)/c2
c2=27
