Example 3

Kamal bought 30 baseball cards worth $1.50 each and 15 basketball cards worth $1.75 each. When he went to count his cards today, he discovered he had lost s baseball cards and t basketball cards. Write a simplified expression for the total value in dollars of all the cards Kamal has left.
  1. Write an expression with parentheses that represents the value of all of Kamal’s remaining cards.
  2. Distribute as needed.
  3. Combine like terms.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information on their resources.