Homework Help: Ststistic

Posted by Rida on Sunday, February 13, 2011 at 5:18am.

for abrar ul haq show the rate of an adult pass is rs 20 more than the children pass. when a company sold 50 adult passess and 200 children passess , the amount collected re. 2250. find the rice of an adult pass.

Statistics - PsyDAG, Sunday, February 13, 2011 at 10:09am
Proofread your questions before you post them.
Ststistic - RAJA WSARMAD, Sunday, March 6, 2011 at 8:10am
let childern passs rate is x
then adult pass price will be (x+20)
as adult price is RS. 20 more than the childern pass price
now

200 childern passes are sold
200*x =200x
and 50 adult passes are sold
50*(x+20)
=50x+1000

now total price is 2250
2250=200x+50x+1000
2250=250x+1000
250x=2250-1000
250x=1250
x=1250/250
x=5

now x = childern
so childern pass price is 5
and adult price is 20 more then the childern
so
5+20=25

adult price is 25

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