Question #cee7d

1 Answer
Johnny L.
Aug 16, 2017

The vampires won 12 games.

Explanation:

This is basically a system of equations problem. If we use the letter W to represent the number of wins, and the letter L to represent losses, the info we're given is below:

#W+L=20#
They played 20 games, so their wins and losses must add to 20.

#W=L+4#
They won 4 more than they lost.

Since we know that #W=L+4#, we can substitute #L+4# in for #W# in the first equation.

#L+4+L=20#
#2L+4=20#
#2L=16#
#L=8#

They lost 8 games, which means they won 12 (just adding 4).

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