SOLUTION: Lucas is twice as old as Emily . The product of their age is 50. Use an equation to calculate Lucas' age if Emily's x years old

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Question 1203512: Lucas is twice as old as Emily . The product of their age is 50. Use an equation to calculate Lucas' age if Emily's x years old
Answer by ikleyn(52817) About Me  (Show Source):
You can put this solution on YOUR website!
.

What follows below should be clear without explanations.

x * (2x) = 50


2x^2 = 50


x^2 = 50/2 = 25


x = sqrt%2825%29 = 5.


Lucas is 2 * 5 = 10 years old.

Solved.