Question

At a lemonade stand, the first cup costs $1.50, and refills cost $0.20 each. If a customer paid $1.90 in total for his first cup and refills, how many refills did the customer order?

Answer 1

Two, $1.90 - $1.50 = $0.40.
$0.40 ÷ $0.20 = 2 refills.