Question

A problem states that Ursala earns $9 per hour to write an expression that tells how much money ursala earns for h hours joshua wrote 9 over h Sarah wrote 9h whose expression is correct and why

Answer 1

Sarah's expression is correct because for every hour you get 9 dollars so 9(1) is 9 dollars for one hour. Then for two Hours it would be 9(2) which equals 18.