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Mathematics 7 Online
OpenStudy (loveneenah):

In October , Greg ans Thomas had the same amount of money in their savings accounts . In November, Greg deposited $120 into his account. Thomas increased the money in his account by 20%. when they compared their balances , they found that they were still equal . How much money did each person have in his account in November ?

OpenStudy (loveneenah):

Plz Help!!

OpenStudy (loveneenah):

I will fan!!

OpenStudy (loveneenah):

Also I will give a madal!

OpenStudy (sapphiremoon):

So they both had the same unspecified amount of money in their accounts in October. Let's call that money $x. Then, Greg deposited $120 and Tom deposited 20% of the initial money, or 0.2x. Since the money is still the same, we know that 0.2x = 120. Then we divide both sides by 0.2, which tells us that x = $600. They initially had $600. And since we know that in November, Greg deposited $120, that gives him an account balance of $720, which is the same as Tom's. Make sense?

OpenStudy (loveneenah):

Yes it does thank you!!

OpenStudy (sapphiremoon):

You're welcome. :)

OpenStudy (loveneenah):

Your are the best!!

OpenStudy (sapphiremoon):

Aww, I don't think so, just relatively good at lower-level algebra... *dies of precalculus*

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