Question

I know the answer is 4 but I need to know what goes in the four empty boxes

Answer 1

We have two number lines, one representing "dollars" and the other representing "tubs of yogurt".

By writing the corresponding values, we relate both quantities (dollars and tubs of yogurt).

Then, in the left boxes $4 corresponds to 1 tub of yogurt.

And the right boxes can be filled with $28 and 7 tubs of yogurt.

Answer:

We can fill them as