Question 1074215
let x = the cost of the sugra to mr. mazibuko.
he increases the price by 10%.
let p = the raised price.
you get p = 1.1 * x.
after a month, he has a sale and decreases the price by 10%.
let s = the sale price.
you get s = .9 * p
since p = 1.1 * x, you get s= .9 * 1.1 * x.
simplify to get s = .99 * x.
the sale price is less than the original cost.
kgeti is right.
an example will help.
assume the cost is 100.
the price is 10% more than the cost, so the regular price is 100 + 10 = 110.
the sale price is 10% less than the regular price, so the sale price is 110 - 11 = 99
10% of 100 is 10.
10% of 110 is 11.