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In March, Isaiah and Freddie had the same amount of money in their savings accounts. In April, Isaiah deposited $210 into his account. Freddie increased the money in his account by 15%. When they compared their balances, they found that they were still equal.

 

How much money did they both have in their accounts in March?

 

$                  

 Oct 9, 2015
 #1
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In March, Isaiah and Freddie had the same amount of money in their savings accounts. In April, Isaiah deposited $210 into his account. Freddie increased the money in his account by 15%. When they compared their balances, they found that they were still equal.

 

How much money did they both have in their accounts in March?

 

We have

 

x + 210  = 1.15x        where x is the amount in their accounts in March....subtract x from both sides

 

210 = .15x   divide both sides by .15

 

x = $ 1400

 

 

cool cool cool

 Oct 9, 2015

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