Joan bought several packs of lacrosse trading cards to add to her collection. To pay for her packs of lacrosse cards, she paid with 4 half dollars, 2 quarters, 1 dime, 4 nickels, and 3 pennies. What was the cost of the packs of cards that Joan bought? Can you guys do the five step method Step 1: Ask the question. Step 2: Select the modeling approach. Step 3: Formulate the model. Step 4: Solve the model. Step 5: Answer the question.