how do you do these

Question

i have to problems can i have the answer to them and how you get it 

 

john used $25.96 to purchase 4 candy bars how much did he spend on one bar 

 

 

which of the following rational numbers has an opposite with the greatest value 

 

 

  - 4  1/2      2  1/4     - 4  2/4     -5   3/5

Answer 1

What would you do to put $25.96 into four piles? You divide the money by 4!

 

25.96 ÷ 4 = 6.49

 

Each bar costs $6.49. Must be some really big bars!