Question

Five year ago I was
1/3 as old as my oldest sister, but now I am half her age. therefore my

present age is:​

Answer 1

Answer:

y = your current age; x = your oldest sister’s current age

y - 5 = 1/3 (x - 5) {first part of the problem}

3 (y - 5) = x - 5

3y - 15 = x - 5

x = 3y - 10

y = 1/2 x {second part of the problem}

2y = x

x = 2y

2y = 3y - 10

-y = -10

Step-by-step explanation:

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