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Joy is 2/3 as old as Lyd. Six years ago, Joy is 20 less than Lyd's age.:How old are they 6 years ago?

Solution

Joy is \frac{2}{3} as old as Lyd. Six years ago, Joy is 20 less than Lyd's age.:How old are they 6 years ago?

Solution

Lyd age 6 years ago : 54

Joy age 6 years ago : 34

Solution steps

Translate the problem into an equation:

\frac{2}{3} x - 6 = x - 6 - 20

Solve for

x, \frac{2}{3} x - 6 = x - 6 - 20 : x = 60

Find age

Lyd age 6 years ago : 54

Joy age 6 years ago : 34

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