Question

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

Answer 1

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