Question

Soft drinks cost $1.89 and refills cost $0.25 each. With $3.80 to spend on the soft drink and refills, what is the maximum number of refills that you can get?
(Hint: Do not answer with a fraction because you can not get a partial refill. Your answer should be an integer).

Answer 1

It would be enough for six refills in one drink.

Answer 2

You could get seven refills.