Question

Having Dog ate 40 can of dog food in 31 days. how many can should he buy for six Days?

Answer 1

For 31 days, he needs 40 cans of dog food.

`\begin{gathered} 31\text{ days}=40\text{ cans} \\ 1\text{ day}=(40)/(31)\text{ cans} \\ 6\text{ days}=(40)/(31)*6 \\ =7.74\text{ cans} \end{gathered}`

Thus, he should buy 8 cans for 6 days.