Question

Christina buys coffee for her office mates everyday. Normally she buys just three coffees for $5.55. on special days there are five people in the office who drink coffee. How much will five cost?

Answer 1

Answer is 5 cups of coffee is $8.25

Step by step

We know 3 coffees cost $5.55
So we divide the total cost by units purchased to get cost each

$5.55 / 3 = $1.65 each

To purchase 5 cups x $1.65 each = $8.25

Answer 2

5 coffees will cost $9.25

Explanation:

If you divide $5.55 by the 3 coffees, you get $1.85 which is the price per coffee. Multiply $1.85 by 5 to get $9.25 which is the cost for 5 coffees