Mike works in a toy store. One week, he worked 38 hours and made $220. The next week, he received a raise, so when he worked 30 hours he made $180. How much was his raise (to the nearest cent)?
First week, Mike earns the following in hours (h)
38h = 220
h = 5.79 using our equation calculator
We call this his old hourly salary
Next week, Mike earns the following in hours (h)
30h = 180
h = 6 using our equation calculator
We call this his new hourly salary
His raise is the difference between his current hourly salary and his old hourly salary:
Raise = New Hourly Salary - Old Hourly Salary
Raise = 6 - 5.79
Raise = $0.21
Mike got a 21 cent hourly raise
First week, Mike earns the following in hours (h)
38h = 220
h = 5.79 using our equation calculator
We call this his old hourly salary
Next week, Mike earns the following in hours (h)
30h = 180
h = 6 using our equation calculator
We call this his new hourly salary
His raise is the difference between his current hourly salary and his old hourly salary:
Raise = New Hourly Salary - Old Hourly Salary
Raise = 6 - 5.79
Raise = $0.21
Mike got a 21 cent hourly raise