SOLUTION: A crew consists of 1 apprentice, 1 journeyman, and 1 master carpenter. The crew revives a check for $6400 for a job they just finished. A journeyman makes 200% of what an apprentic
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Question 852965: A crew consists of 1 apprentice, 1 journeyman, and 1 master carpenter. The crew revives a check for $6400 for a job they just finished. A journeyman makes 200% of what an apprentice makes, and a master makes 250% of what the journeyman makes. How much does each person on the crew make?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = how much apprentice makes
Let = how much journeyman makes
Let = how much master carpenter makes
-------------------------------------------
(1)
(2)
(3)
-------------------------
This is 3 equations and 3 unknowns, so it's solvable
(1)
Substitute (1) and (2) into (3)
(3)
(3)
(3)
(3)
and
(1)
(1)
and
(2)
(2)
(2)
---------------------
The apprentice makes $800
The journeyman makes $1,600
The master carpenter makes $4,000
check:
(3)
(3)
(3)
OK
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