Question

3) Raeana is twice as old as Madeline, and Laura is 10 years older than Raeana.

If Laura is 50 years old, how old is Madeline? Let m represent Madeline's age in
years, and let r represent Raeana's age in years.

Answer 1

M = 20; R = 40

Explanation:

R = 2M

L = R + 10

L = 50

50 = R + 10

(Take away 10 from both sides)

50 - 10 = 40

40 = R

Remember, R = 2M

40 = 2M

(Divide both sides by 2)

40 / 2 = 20

20 = M