Question

A product is made by only two competing companies. Suppose Company X retains two-thirds of its customers and loses one-third to Company Y each year, and Company Y retains three-quarters of its customers and loses one-quarter to Company X each year. We can represent the number of customers each company had last year by x0 for Company X and y0 for Company Y. Then the number that each will have this year can be represented by: If Company X has 1900 customers and Company Y has 1700 customers this year, how many customers did each have last year?

          A product is made by only two competing companies. Suppose Company X retains two-thirds of its customers and loses one-third to Company Y each year, and Company Y retains three-quarters of its customers and loses one-quarter to Company X each year. We can represent the number of customers each company had last year by x0 for Company X and y0 for Company Y. Then the number that each will have this year can be represented by:

If Company X has 1900 customers and Company Y has 1700 customers this year, how many customers did each have last year?

Added by Charles P.

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