Susan is buying cupcakes for her class. Each cupcake costs $2.99. There are 30 people in her class. What is the total cost of the cupcakes?

1 answer

30 * $2.99 = $____
or,
30*$3 = $90
but subtract 1 cent for each of the cupcakes, since they only cost $2.99 each.
total cost is thus $89.70