Question 320087
A=90+.06x
B=180+.03x
A>B
90+.06x>180+.03x
.06x-.03x>180-90
.03x>90
x>90/.03
x>3,000 is the amount of the sales to make the salaries equal.
Any sales above $3,000 will make Plan 'A' a better deal.