Asked by Jennifer
Ok math smarties:
Billy has 2 more green marbles than blue marbles. In all, he has 15 marbles. How many blue marbles does he have?
Billy has 2 more green marbles than blue marbles. In all, he has 15 marbles. How many blue marbles does he have?
Answers
Answered by
John
green = blue + 2
blue + green = 15
blue + blue + 2 = 15
2b = 13
You can't have a 1/2 of a marble or can you?
blue = 13/2
blue + green = 15
blue + blue + 2 = 15
2b = 13
You can't have a 1/2 of a marble or can you?
blue = 13/2
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