Respuesta :
x - bat
y - ball
x+y=1.1
x=y+1
(y+1)+y=1.1
y=.05
Plug the Y value back into the original equation to find X
x+.05=1.1
x=1.05
Bat cost: 1.05
Ball cost: .05
y - ball
x+y=1.1
x=y+1
(y+1)+y=1.1
y=.05
Plug the Y value back into the original equation to find X
x+.05=1.1
x=1.05
Bat cost: 1.05
Ball cost: .05
Answer: 10 cents
Step-by-step explanation:
total $ 1.10
bat $1.00
1.10- 1.00 =0.10
the ball costs 10 cents