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Sal's job pays $7.50 an hour for the first 8 hours he works a day and 1 1/2 times that amount for each additional hour he works per day. If Sal works 10 hours in a day, how much money does he make? please help anyone

1 Answer

5 votes

We know that in 8 hours, Sal has $7.50. Then, in 10 hours, Sal will have


8*7.50+2*(1(1)/(2))*7.50

Now, we must convert the mixed fraction into a simple fraction form:


1(1)/(2)=(2*1+1)/(2)=(3)/(2)

so, we must compute


8*7.50+2*(3)/(2)*7.50

since 8 times 7.50 is 60 and 2 times 3/2 is 3, we have


60+3*7.50

Finally, since 3 times 7.50 is 22.5, we get


60+22.5

and the answer is $82.5

User Fatih Ersoy
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