Druisse

John can paint a house in 10 days working only 8 hours a day and charges $5 per hour or $380 per project. Peter on the otherhand can do the job in 15 days working for only 6 hours a day and charges $4 per hour or $350 per project. Mario can do it twice as long as when john and peter works together if he works 12 hours per day. Mario charges $3 per hour or $350 per project.

Now a conractor wants to have 10 houses painted in the shortest possible time and hired john, peter and mario to work together.

1. He wants to know if its cheaper to hire the 3 painters together and pay at project cost of $350 per house for the 10 houses or on a per hour basis as charged by each of the painters if they are to work 8 hours each per day.

2. Please calculate total payment made if he elects to pay on hourly basis till the 10 houses are painted

3. If he ask the painters to work an extra 2 hours on top of the regular 8 hours daily work, how much more will the entire project cost if he promised to pay an overtime bonus of 20% on top of the hourly pay rate?

Sure 10 points for the correct answers with well explained solution!!!

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