SOLUTION: Monica is one year older than twice of her sister. The difference of their ages is 18. find their present age.
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Question 818814: Monica is one year older than twice of her sister. The difference of their ages is 18. find their present age.
Answer by jhunjiro(67) (Show Source): You can put this solution on YOUR website!
Let:
x=age of her sister
2x+1= age of monica
Solution:
age of monica - age of her sister = 18
age of her sister
= age of monica
= age of monica
Final Answer:
Age of Monica is 35.
Age of her sister is 17.
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