Santiago receives $200 per year in Simple interest from three investments. Part is invested at 2%, part at 3%, in part at 4%,. There is $500 more invested at 3% done at 2%. The amount invested at 4% is four times the amount invested at 3%. Find the amount invested at each rate

start with a line segment pq that we will copy. mark a point r that will be one endpoint of the new line segment. set the compasses' point on the point p of the line segment to be copied. adjust the compasses' width to the point q. the compasses' width is now equal to the length of the line segment pq.

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what is the model?

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answer: the answer for that is 22/3

i don't think there is enough