Bob has $150 in his savings account and saves $40 a month. Andrea has only $100 in her account but saves at a rate of $50 a month. When will Andrea have saved more than Bob?

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20-02-2015
Mathematics

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Bob has $150 in his savings account and saves $40 a month. Andrea has only $100 in her account but saves at a rate of $50 a month. When will Andrea have saved more than Bob?

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Аноним Аноним · Answer 1 · 2015-02-20T18:52:41-05:00

Аноним Аноним

20-02-2015

[tex]150+40x=100+50x[/tex]

[tex]50=10x[/tex]

[tex]x=5[/tex]

Andrea will have saved more than bob after [tex]5[/tex] months.

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