32.5k views
20 votes
1 hour = $140

4 hour =$320
5 hour=$380
Only hour 1 has a one time fee for plumbing how much it it

1 Answer

10 votes

Answer:

$84

Explanation:

( 140 + 320 + 380 )/ (1+4+5) = $840/10h = $84/h

Hope it helps you

User Vasily
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