Look at each system of equations. Consider which method you would use to solve this problem. For which systems is the method of substitution the best choice? Circle all that apply.

The price of a lawn mower is x dollars. the store is having a 75% end of summer clearance sale. which expression can be used to find the clearance price of the mower? a) .25x b) .75x c) x - .25(75) d) x + .25(75)