A bat and a ball cost one dollar and ten cents in total. The bat costs a dollar more than the ball. How much does the ball cost?

Question

 just wondered the answer.

Answer 1

Let's say the ball costs x dollars

Then the bat costs (x + 1) dollars

 

x + (x + 1) = 1.10

 

2x + 1 = 1.10

 

2x = 0.10

 

x = 0.05 = 5 cents

 

The ball costs 5 cents, and the bat costs x + 1 = 0.05 + 1 = 1.05 = $1.05