At the annual dog show, Chantel noticed that there were three more Scotties than Schnauzers. She also realized that the number of Wirehaired Terriers was five less than twice the number of Schnauzers. If there were 78 dogs in all (counting Schnauzers, Scotties, and Wirehaired Terriers), how many Schnauzers were there? Write and solve an equation.
Try organizing your work in a table. Test some values to help decide what your equation should be.
Write an expression for each column of your table.
Write and solve and equation to find the number of Schnauzers. Does your answer make sense?
Explore using the eTool below.
Click the link at the right to view full eTool version: Int1 A-100 HW eTool.