Janice earns a 4 percent commission for the medical equipment that she sells. If she earned $1,823.94 in commission on the digital x-ray machine that she sold, what was the cost of the machine?
$4,559.85
$7,295.76
$45,598.50
$72,957.60
@shadow

Question

Janice earns a 4 percent commission for the medical equipment that she sells. If she earned $1,823.94 in commission on the digital x-ray machine that she sold, what was the cost of the machine? 
$4,559.85
$7,295.76
$45,598.50
$72,957.60
@shadow

Mercury · Answer

commission = 4% of the total price
4% can also be written as 4/100, since % means "per 100"

so 1,823.94 = (4/100)*the total cost of the machine

solve for the cost of the machine