SOLUTION: 30 hours a week. Job A pays $5.90 per hour, and Job B pays $7.20 per hour. How many hours did she work at each job the week that she made $193.90?
Question 1030048: 30 hours a week. Job A pays $5.90 per hour, and Job B pays $7.20 per hour. How many hours did she work at each job the week that she made $193.90? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = hrs worked at job A
Let = hrs worked at job B
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(1)
(2)
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(2)
Multiply both sides of (1) by and
subtract (1) from (2)
(2)
(1)
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and
(1)
(1)
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She worked 17 hrs at job A and 13 hrs at job B
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check:
(2)
(2)
(2)
(2)
OK
