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
.
b. After 5 weeks, your friend has sold
more subscriptions than you.
what would that be
(a) "difference" means you subtract, so do it
(b) now substitute w=5 to get the actual number.