Kate buys a greeting card for 3.79. She then buys 4 postcards that all cost the same amount. The total cost is 5.11. How much is each postcard? Show your work.

Answer

0.33

Q: What is the total cost of the postcards? A: The total cost of the postcards is 5.11 - 3.79 = 1.32.
Q: How much is each postcard? A: Divide the total cost of the postcards by the number of postcards to find the cost per postcard. (1.32 / 4) = 0.33.