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OverLord2011 [107]
3 years ago
12

A sells and article to B at a profit of 10%,B sells it to C for rs577.50 at a profit of 5%.How much did it cost for A?

Mathematics
1 answer:
densk [106]3 years ago
7 0

Answer:  $500

<u>Step-by-step explanation:</u>

A sells to B at a profit of 10%:    1.10A = B

B sells to C for $577.50 at a profit of 5%:    1.05B = 577.50

Substitute B with 1.10A in the second equation:

1.05(1.10A) = 577.50

       1.155A = 577.50

               A = 500

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