At a local print shop, 20 copies can be made for $8. at this rate, how much would it cost to make 85 copies?   fill out the table of equivalent ratios until you have found the value of x.

First, divide $8 with 20

8/20 = 0.4

Each copy costs 40 cents.

Multiply the cost for each copy with the amount of copies to be made

0.40 x 85 = 34

$34 is the cost to make 85 copies

hope this helps

answer:   the paragraph proof is mentioned below.

step-by-step explanation:

given: in a δxwy where

such that, ∠wzx ≅ ∠yzx and zw≅zy

we have to prove that: segment zx is a perpendicular bisector of segment wy.

prove: since, zw≅zy ⇒ ∠wzy is a supplementary angle.

then, ∠wzy= 180°

⇒∠wzx + ∠yzx = 180° ( because xz divides ∠wzy into two parts)

but, ∠wzx ≅ ∠yzx ( given)

⇒∠wzy+∠wzy=180° ( by substitution)

⇒2∠wzy=180°

⇒∠wzy=90°

⇒∠wzy=∠yzx =90°

therefore, xz⊥wy where wz=zy

⇒zx is a perpendicular bisector of wy.