SOLUTION: when Samantha baby-sat for 8 hours and worked at a restaurant for 3 hours, she made 58 dollars. When she baby-sat for 2 hors and worked at a restaurant for 5 hours, she made 40 dol
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-> SOLUTION: when Samantha baby-sat for 8 hours and worked at a restaurant for 3 hours, she made 58 dollars. When she baby-sat for 2 hors and worked at a restaurant for 5 hours, she made 40 dol
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Question 231292: when Samantha baby-sat for 8 hours and worked at a restaurant for 3 hours, she made 58 dollars. When she baby-sat for 2 hors and worked at a restaurant for 5 hours, she made 40 dollars. How much does she get paid per hour to baby-sit? How much does she get paid per hour to work at a restaurant?
You can put this solution on YOUR website! Let = hourly pay baby-sitting
Let = hourly pay in restaurant
given:
(1)
(2)
These are 2 equations and 2 unknowns, so it's solvable
Multiply both sides of (2) by and
subtract (1) from (2)
(2)
(1)
and, since
(2)
She makes $5/hr babysitting and $6/hr at restaurant
check:
(1)
OK
(2)
OK
