1) Tyler’s brother earns a commission. He makes 2.5% of the amount he sells. Last week, he sold $900 worth of shoes. How much was his commission? $ 2) The store bought a pair of shoes for $50, and sold it for $80.

What percentage was the markup? %

3) Tyler’s brother earns $12 per hour. The store offers him a raise—a 5% increase per hour.

After the raise, how much will Tyler’s brother make per hour? $ per hour