Lyle's current age is 23 years. Melanie's current age is 15 years. How many years ago was Lyle's age twice Melanie's age?
A.) 16 B.) 9 C.) 8 D.) 7 E.) 5
23 = Lyle's current age
15 = Melanie's current age {Melanie is currently 8 years younger than Lyle} 23  x = 2(15  x) {Lyle was twice as old as Melanie x years ago} 23  x = 30  2x {used distributive property} 7  x = 2x {subtracted 23 from each side} x = 7 {added x to each side} Lyle was twice as old as Melanie 7 years ago D.) 7 Ask Algebra House Comments are closed.

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