Could you possibly give some more details for me to understand better? :)
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Pay=pay per hour times hours
A. M=12x
B. for more than 30, so
T=amoutn earned already (30hr normal)+overtime
T=12(30)+16y
T=360+16y
C.
hmm, 360 is if worked 30 hours, the rest is overtime
so
408=360+16y where y is overtime
minus 360 both sides
48=16y
divide both sides y 16
3=y
3 hours of overtime
You can simplify the fraction to get 2/5. If you convert this into a decimal you will get 0.4, so D is your answer.