word problem

[anamaria4]

Cynthia invested $6400 in two types of accounts for one year. The first type earned 5% simple interest, the second type earned 8% simple interest. At the end of the year, Cynthia had earned $395 in interest. How much did she invest at each rate?

 

[Deleted member 4993]

Cynthia invested $6400 in two types of accounts for one year. The first type earned 5% simple interest, the second type earned 8% simple interest. At the end of the year, Cynthia had earned $395 in interest. How much did she invest at each rate?

Define "what do you need find" and then define variables.

In this you need to finds "amount" invested in 5% interest rate AND "amount" invested in 8% interest rate

So define

"amount" invested in 5% interest rate = F

"amount" invested in 8% interest rate = E

Now continue...

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