Solve the problem
7x-4y=-7
5x+y=22

x=3, y=7. (3, 7).

Step-by-step explanation:

7x-4y=-7

5x+y=22

y=22-5x

7x-4(22-5x)=-7

7x-88+20x=-7

27x=-7+88

27x=81

x=81/27

x=3

7(3)-4y=-7

21-4y=-7

4y=21-(-7)

4y=21+7

4y=28

y=28/4

y=7

The fraction for people who prefered indoor is = 13/25

The fraction of people who prefered outdoor is = 12/25

Step-by-step explanation:

First add of your values together

52 + 48 = 100

Then put each percentage over the total

52/100 and 48/100

Finally simplify your fractions

I hope this helped!