Skylar has three coupons.
the first coupon gives him x percent off on a shirt.
the second coupon gives him y percent off on the dress pants.
the third coupon gives him z percent off on his total purchase.
he cannot combine the coupon for the total purchase with the other two coupons. these
expressions give both possibilities for the total cost of skylar's purchase after the coupons are
applied. the variables represent percentages as decimals.
(1 – 2)30 + (1 - y)40 + 20
(1 – 2)(40+30+20)
skylar uses the dress pants coupon
which part of the expression represents the percent that skylar will pay for the dress pants?