in sale the original price of a jacket is reduced by 16% to $105. Calculate the original price of the jacket.

Original price = x

so

x - 16% x = discounted price
x - 16x/100 = 105
100x-16x = 105 × 100
84x = 10.500
x = 10.500÷84
x = 125

.:. Original price is $125

___________
#May this help ^_^