6,
20 sticker cost $1. How much does each sticker cost?

$0.05

Step-by-step explanation:

1. Since we want to find how much 1 single sticker costs, and 20 stickers equal 1 dollar, let's write it as a ratio:

2. Now, let's solve the ratio.

Therefore, one sticker costs $0.05.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

i dont know

step-by-step explanation: