
William D. answered 02/03/16
Tutor
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Learn Math from an Experienced, Personable Aerospace Engineer
Define John's normal hourly pay rate as "x" and set up the following equation:
30*x + 5*1.4*x = $436.60 (the 5 hours over his original 30 are paid at 1.4*x)
Now solve for x: 30x + 7*x = 37*x = $436.60
Divide both sides by 37: x = $11.80
John's normal hourly pay rate is $11.80