A golf cart has either 3 or 4 wheels. John checked all 25. How many 3 wheeled how many 4 wheeled

You mean he checked 25 wheels ?????

If so then what times 4 + what times 3 = 25?

1*4 + 21 sure 1*4 + 7*3
2*4 + 17 nope
3*4 + 13 nope
4*4 + 9 sure 4*4 + 3*3
4*5 + 5 nope
4*6 + 1 nope