14-11-2016
Mathematics

contestada

justin has 1200 dollars in his bank account and saves 30 a week Emmanuel has 3600 but spends 25 each week. when will they have the same amount of money?

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texaschic101 texaschic101

14-11-2016

1200 + 35w = 3600 - 25w
35w + 25w = 3600 - 1200
60w = 2400
w = 2400/60
w = 40 <== 40 weeks

Justin : 1200 + 35(40) = 1200 + 1400 = 2600
Emmanuel : 3600 - 25(40) = 3600 - 1000 = 2600
so at 40 weeks, they both have $ 2600

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