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7x + 5(602) = 12(700)
A small factory employs 7 experienced and 5 inexperienced workers. The mean monthly wage of these 12 workers is $700. Given that the mean monthly wage of 5 inexperienced workers is $602, calculate the mean wage of the 7 experienced workers.
3 answers
7x + 5(602) = 12(700)
7x + 3010 = 8400
7x = 8400 - 3010
7x = 5390
x = 5390/7
x = 770
7x + 3010 = 8400
7x = 8400 - 3010
7x = 5390
x = 5390/7
x = 770
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3 answers