SOLUTION: David earns $1.50 per hour more than Peter. Together they both work 40 hours in a week. How much money per hour do David and Peter earn?

Question 834075: David earns $1.50 per hour more than Peter. Together they both work 40 hours in a week. How much money per hour do David and Peter earn?
Answer by josgarithmetic(39613) (Show Source): You can put this solution on YOUR website!
This is a uniform rates problem. Money, used for a general example.

, using Rate, hours, value.

David's rate: r+1.50 dollars per hour
Peter's rate: r dollars per hour
Combined rate: dollars per week.

You are given, h=40 hours, and asked how much money per hour "combined rate", that they earn. or how much each of them earns per hour --- unclear which. You have enough information to say, , which uses two unknown variables. The best you could do is solve for r, but you have no value for it unless you know a value for v, how much David and Peter earned, combined.
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