You and your friend are selling magazine subscriptions for a fundraiser. After w weeks, you have sold (3w+4)
subscriptions and your friend has sold (5w+1)
subscriptions.

a. Write an expression in simplest form that represents the difference between the number of subscriptions your friend has sold and the number you have sold.
An expression is 2w−3.

b. After 5 weeks, your friend has sold more subscriptions than you.