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The sum of one-fifth of Lucy’s age and one seventh of her age is 12. Use algebra to work or Lucy’s age?

Hi Lauren, Firstly you can start by giving Lucy’s a variable call it L. Then you can turn this word problem into an algebraic equation: (1/7)L+(1/5)L= 12 You can now add the 2 fractions by finding the lowest common multiple and work out what L is. Hope this was helpful. Regards Mohammed  Mohammed Rweished
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