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Posted by **rabia** on Saturday, March 12, 2011 at 1:46am.

- statistics -
**PsyDAG**, Saturday, March 12, 2011 at 2:58amLet A = price of adult pass and C = price of child's pass.

A = C + 20

50A + 200C = 2250

Substitute C+20 for A in second equation and solve for C. Insert that value into the first equation and solve for A. Check by inserting both values into the second equation.

- statistics -
**salam jan**, Tuesday, July 31, 2012 at 8:18amfor a charity show the rate of adult passes Rs.20 more than the children pass.when a company sold 50 adult and 200 children passes,the amount collected is Rs.2250.find the price of an adult pass.

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