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A bag contains yellow marbles and blue marbles, 105 in total. The number of yellow marbles is 9 less than 5 times the number of blue marbles. How many yellow marbles are there?

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CoolAsianGuy
ANSWER:

86 YELLOW

y=yellow
b=blue

y=5b-9
y+b=105

5b-9+b=105

6b=114

b=19

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