Each ping pong game require 1 token while each pinball game require 4 tokens.
An equation is an expression used to show the relationship between two or more variables and numbers.
Let x represent the number of token for each ping pong and y represent the number of token for each pinball.
Miguel played 9 games of ping pong and 5 games of pinball, using a total of 29 tokens, hence:
Javier played 3 games of ping pong and 1 game of pinball, using up 7 tokens.
From equation 1 and 2:
x = 1, y = 4
Each ping pong game require 1 token while each pinball game require 4 tokens.
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