SOLUTION: Mark and Verna are saving to buy their mother a ring for her birthday. The ring costs @126.75. Mark delivers pizza making $8.50 per hour. Verna baby sits and makes $10 per hour. Ho
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-> SOLUTION: Mark and Verna are saving to buy their mother a ring for her birthday. The ring costs @126.75. Mark delivers pizza making $8.50 per hour. Verna baby sits and makes $10 per hour. Ho
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Question 698228: Mark and Verna are saving to buy their mother a ring for her birthday. The ring costs @126.75. Mark delivers pizza making $8.50 per hour. Verna baby sits and makes $10 per hour. How many hours will Mark and Verna each need to work in order to pay for the ring for their mother? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = hrs Mark worked
Let = hrs Verna worked
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There are 2 unknowns and only 1 equation, so
it's not directly solvable, but an extra clue is that
the must get multiplied by , , , etc up to
Suppose Mark works hrs
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If he works hrs
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If he works hrs
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If he works hrs
This works
Mark works 5.5 hrs and Verna works 8 hrs
check:
