Question 1012932
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F=hourly rate for first mechanic; S=hourly rate for second mechanic
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F+S=160
F=160-S
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5F+15S=1850
5(160-S)+15S=1850
800-5S+15S=1850
10S=1050
S=105
ANSWER 1: The second mechanic charged 105 per hour.
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F=160-F=160-105=55
ANSWER 2: The first mechanic charged 55 per hour.
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CHECK:
5F+15S=1850
5(55)+15(105)=1850
275+1575=1850
1850=1850
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