X - the number of sandwiches
y - the number of soups

10 sandwiches were ordered. The answer is D.
The answer for 13 would be 4x-6x=2x
4x+2y i hope that helps :3
Answer: .625 (yes he did leave enough
Step-by-step explanation: First you need to divde the fractions( or solve them) ,so 7 divided by 8 and so on Then you take subtract the paint ivan used, if it is less than half than ivan didn't leave enough for his poor sister
but there are other ways if this one is to hard