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A bag contains green marbles and blue marbles, 36 in total. The number of green marbles is 4 more than 3 times the number of blue marbles. How many green marbles are there?

User Doelleri
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1 Answer

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number of blue marbles = n
number of green marbles = 3n+4

n+3n+4=36
4n+4=36
4n=32
n=8

sub n=8 into 3n+4

=3(8)+4
=24+4
=28

therefore there are 28 green marbles
User SNO
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