THIS IS 3 PARTS Brainliest, thanks, 5 star Rating, and extra points for 1st or 2nd person who answers... don't worry I look through the answers and decide carefully... make yours correct and the best (no wrong answer will be reported...) Pt 1... Tyler’s brother works in a shoe store. 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?
Pt 2... Tyler’s brother works in a shoe store. The store bought a pair of shoes for $50, and sold it for $80. What percentage was the markup?
Pt 3... Tyler’s brother works in a shoe store. 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?