February 26, 2017

Homework Help: maths

Posted by preeti on Friday, March 16, 2012 at 7:22am.

bus tickets cost $3 for an adult and $2 for a child. there are 'a' adults nd 'c' children on a bus. the total number of people on the bus is 52. the total cost of the 52 tickets is $139. find the number of children on the bus.

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