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11 December, 13:33

Lorna has 60$ and her sister has 120$ Lorna saves 7$ Per week and solution represent the number of weeks w it will take for girls to have the same amount of money

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  1. 11 December, 14:43
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    Let x be the amount of weeks.

    60 + 7x = 120

    60 - 60 + 7x = 120 - 60

    7/7x = 60/7

    x = 8.571428571
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