contestada

Two mechanics worked on a car. The first mechanic charged 105
per hour, and the second mechanic charged 75
per hour. The mechanics worked for a combined total of 25
hours, and together they charged a total of 2175
. How long did each mechanic work?

Respuesta :

paulrizzi
the 105 per hour mechanic worked for 10 hours and the other worked for 15. here's the math.
Ver imagen paulrizzi
sashamartinez1
the 105 per hour mechanic worked for 10 hours and the other worked for 15.