Question

22.5(10-y)+27.5y=250

Answer 1

y = 5

Explanation:

22.5(10-y)+27.5y=250

`225 - 22.5y + 27.5y = 250\\\\`

Combind like terms,

`225 + 5y = 250`

Subtract 225 from both equations to isolate the variable.

`5y = 25`

Divide both sides by 5 to isolate the variable and solve it.

`y = 5`