SOLUTION: The profit made by a certain delerar is equal to T % of sales and P percent of cost. Show that P=100T/100-T

Question 1039311: The profit made by a certain delerar is equal to T % of sales and P percent of cost. Show that P=100T/100-T
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
From the given that the profit p is T% of sales S, we get .
From the given that the profit p is P% of cost C, we get .
But p = S - C, so
==> , after direct substitution.
==> , after dividing both sides by p.
==> , after transposition.
==> , after combining fractions.
==> , after reciprocation.
==> , after multiplying both sides by 100.
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