Find the answer for 10 + 10

Solve 3x-18=2y and 5x-6y=6 by elimination show work

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.