Answer:
$1,300
Explanation:
Let original price be $x
Computer has been marked down by 45%
45% = 45/100 = 0.45
So discount = 45% of x = 0.45 x
Original price - Discount = Sale price
x - 0.45x = $715
0.55x = 715
x = 715/0.55
x = $1,300
which is the original price