Asmaller number is 3 less than half a larger number. the larger number is 10 times 1 less than the smaller number. let  xrepresent the smaller number, and let  y  represent the larger number. which equations can be used to model the situation? check all that apply.1. x= 1/2y-32. 2x-y= -63. 2x-y= -34. x= 1/2 (y-3)5. y-10 (x-1)