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uranmaximum [27]
3 years ago
9

Find the value of the variable and LN if M is between L and M LM=4a,MN=8a,LM=40

Mathematics
1 answer:
Zanzabum3 years ago
7 0

LN = 120 and a = 10

<u>Step-by-step explanation:</u>

If we need to find the variable a as, LN is the line and M is the mid point between L and N. So LN = LM + MN

LM = 4a = 40

a = \frac{40}{4} = 10

MN = 8a =  8×10 = 80

So LN = LM + MN

    LN = 40 + 80 = 120

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Ratling [72]
<span>Susanne is 16 years old.</span>

b = Bob's age

s = Susanne's age

d = Dakota's age

Bob's age is 4 times greater than Susanne's age:

b = 4s

Dakota is three years younger than Susanne:

d = s - 3

The sum of Bob's, Susanne's, and Dakota's ages is 93:

b + s + d = 93


 solve these equations:

b = 4s

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