SOLUTION: Using a 5 step method I have to solve this problem. In 1999, there were 200,000 registered dogs that were Labradors and dachshunds. There were three times as many labradors as

Algebra ->  Equations -> SOLUTION: Using a 5 step method I have to solve this problem. In 1999, there were 200,000 registered dogs that were Labradors and dachshunds. There were three times as many labradors as      Log On


   



Question 626082: Using a 5 step method I have to solve this problem.
In 1999, there were 200,000 registered dogs that were Labradors and dachshunds.
There were three times as many labradors as dachshunds. Find the number of
labradors and dachshunds.

select a variable:
represent the other value:
write an equation:
solve the equation:
check:

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
(1)
Let +x+ = the number of dachshunds registered
(2)
+3x+ = the number of labradors registered
(3)
+x+%2B+3x+=+200000+
(4)
+4x+=+200000+
+x+=+200000+%2F+4+
+x+=+50000+
(5)
+3x+=+3%2A50000+
+3x+=+150000+
From step (3),
+x+%2B+3x+=+200000+
+50000+%2B+150000+=+200000+
+200000+=+200000+
OK