Last month hao dog ate 40 cans of dog food in 31 days. how many cans should hao buy to feed his for for the next 6 days?

we are given

Hao dog ate 40 cans of dog food in 31 days

it means that

Firstly, we will find for 1 day

we can divide both sides by 31

now, we can multiply both sides by 6

so,

Hao buy to feed his dog  for for the next 6 days is 7.74194 cans.......Answer

i can't see the picture : /