Amount getting now = $12
Late shift wage increase = 10%
Amount he will get after 10% increase = 12 + 10% of 12
Finding 10% of 12:
[tex] 10 percent of 12 = 0.1*12=1.2 [/tex]
So total rate per hour after increase = 12 +1.2 =13.2
New rate per hour for late shift is $13.2