<PRE><B>Question 1189810</B>
Miguel and Javier went to an arcade where the machines took tokens.
 Miguel played 9 games of ping pong and 5 games of pinball, using a total of 29 tokens.
 At the same time, Javier played 3 games of ping pong and 1 game of pinball, using up 7 tokens.
Part A: Write a system of equation to model this situation
;
let a = no. of tokens for each ping pong game
let b = no. of tokens for each pinball game
:
An equation for each player
9a + 5b = 29
3a + 1b = 7</PRE>