Simple and compound interest

[Jelly567]

The question is how much should you invest at 2.5% simple interest in order to earn $55 interest in 20 months?

I've tried doing the work but this is so difficult for me to understand.

 

[Dr.Peterson]

The question is how much should you invest at 2.5% simple interest in order to earn $55 interest in 20 months?

I've tried doing the work but this is so difficult for me to understand.

We can help you a lot more if you show us some of the work you did, and tell us what parts you don't understand, so we can see what help you need. Please follow our guidelines, so we can meet your needs better:

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