Answer:
i don't see what you need help
Step-by-step explanation:
18.25
1/4 = 0.25
let x =the original price
then 116x/100=$39.32
116x=100×39.32
116x=3932
divide both sides by 116
116x/116=3932/116
x=33.89655
(2dp)
x=33.90
w in (-oo:+oo)
w/7+13 = -18 // + 18
w/7+13+18 = 0
1/7*w+31 = 0 // - 31
1/7*w = -31 // : 1/7
w = -31/1/7
w = -217
