Respuesta :
$45 divided by 7.5 is $6. Multiplied by 30 gets you your answer $180
if my pay is 45 USD for 7.5 hours of work
than for 30 hours = 30/7.5 = we get 4 time pay
we multiply this 4 time with 45 USD
we get 4 X 45 = 180 USD