Question

1. The Bat and Ball Problem

A bat and a ball together cost $1.10. The bat costs $1 more than the ball. How much does the ball cost?

Answer 1

lesser than 10 cents because u told bat costs $1 dollar more

Answer 2

Although $1.00 + $0.10 does equal $1.10,  if you take $1.00 – $0.10 you get $0.90, but the problem requires that the bat costs $1 more than the ball.

So, the ball must cost $0.05, and the bat must cost $1.05 since $1.05 + $0.05 = $1.10

You can use algebra to solve the problem:

First, let’s set up the equation:

x + ($1.00 + x) = $1.10

$1.00 + 2x = $1.10

2x = $1.10 – $1.00

2x = $0.10

Finally, solve for x:

x = $0.05

Check your work:

x + ($1.00 + x) = $1.10, so

$0.05 + ($1.00 + $0.05) = $1.10