Question

Use the unit rate of $0.45 per 1 key chain to find the amount spent on 50 extra key chains.

Answer 1

[See Below]

Explanation:

✦ Given the unit rate is
`0.45x`,
`x=50`

• 
  `0.45*50=22.5`

So the answer would be $
`22.5`.

~Hope this helps Mate. If you need anything feel free to message me.