Find two numbers that add up to 180

There are many combinations of two numbers possible that give the sum as 180. Example, 177+3 = 180,174+6 = 180,177+9 = 180,etc. You can make as many combinations because its very general term for any two number to add upto 180.

The answer is 49/16 or 3 1/16

If she spent  3/8 playing games and 50% eating, that would be 4/8. so she would have had to spend 1/8 opening presents