20 nickels = 1 dollar Rob earns $8.00 per hour.
He works for 3 hours.

How many nickels did he earn?

480 nickels

Step-by-step explanation:

1. 20 nickels = $1

2. Find how much money rob earns in 3 hours. Next, multiply how much he earns for that time by 20, for nickels.

480 nickels

Good luck!

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°