SOLUTION: A boat weighs 1500 pounds more than its motor and 1900 pounds more than its trailer.Together the boat and trailer weigh five times as much as the trailer. How much does the boat w
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Question 211991: A boat weighs 1500 pounds more than its motor and 1900 pounds more than its trailer.Together the boat and trailer weigh five times as much as the trailer. How much does the boat weigh.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = weight of boat
Let = weight of motor
Let = weight of trailer
given:
(1)
(2)
(3)
equation (1) isn't useful to the problem
(2) and (3) are 2 equations and 2 unknowns,
so I can use them to solve for
(2)
and
(3)
substituting,
The boat weighs 2533.33 pounds
check answer:
OK
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