Convert this scenario into algebra equation

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  • Sales for the month minus the VAT @ 20% = (x).
  • 20% of (x) is profit margin (y).
  • 5% of (y) is commission earned (c).

How can I write an equation that demonstrates the above please?

I.e x - 20% of y - 95% of y = c. (Sorry, not explained well). Thanks.

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Why not : y = 0.2 x and c = 0.05 y. Then c = 0.05 (0.2 x) = 0.01 x