SOLUTION: Shanti is 5 times as old as her brother. Next year, she will be 3 times as old. What is Shanti's age now?
How do you solve this?
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Question 551734: Shanti is 5 times as old as her brother. Next year, she will be 3 times as old. What is Shanti's age now?
How do you solve this?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
s = her age, b = brother's age
----
Now, s = 5b
Next year,
s+1 = 3(b+1) = 3b+3
----
s = 3b+2
s = 5b
Sub for s in the 1st equation
5b = 3b + 2
2b = 2
b = 1
------
s = 5
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