Laura  earns $ 255 by working 20 hours each week .

Part A 
Write an equation to find how much Laura earns per hour. Use H to represent the hourly 
Equation 

Part B 
Solve the equation to find Laura's hourly rate 

part C 
Laura earns $2.90 more per hour than her friend ,Jess . Write an equation to show how much Jess earns per hour .Use J to represent her hourly