SOLUTION: Find the value of the variable and LN if M is between L and N. LM=2a MN=12a LM=20

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Question 1199219: Find the value of the variable and LN if M is between L and N.
LM=2a
MN=12a
LM=20
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
if
LM=2a%7D%7D%5D%0D%0A%7B%7B%7BMN=12a
LM=20
then
2a=20
a=10

MN=12a=12%2A10=120

+LN=20%2B120
LN=140
L____2a_______M__________12a_____________N
|______20______|___________120____________|