5. Domingo earns $13 dollars per hour and worked 47.5 hours that week. He is paid double time for all hours worked over 40 hours in one week. What is his gross pay
for the week?

$715

Step-by-step explanation:

$13 x 40 hours = $520

47.5 hours -  40 hours = 7.5 overtime hours

2 x $13 = $26 per overtime hour

$26 x 7.5 = $195

$520 + $195 = $715

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: