Question

I need help dont just add both numbers ill give extra hundrend after you answer

Answer 1

28

Explanation:

According to the question,

2 helmets and 1 football cost $80, while 1 helmet and 2 football cost $76

Let x represent cost of football and let y equal cost of helmet.

Write the system of equations,

`x +2 y = 80`

`2x + y = 76`

Eliminate the x variable by multiplying the top equation by -2

`- 2x - 4y = - 160`

`2x + y = 76`

Add both equations.

`- 3y = - 84`

`y = 28`

So one helmet cost $28