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02-09-2016
Mathematics

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Jerry has a total of 23 marbles. The marbles are either blue or green. He has three more blue marbles than green marbles. How many green marbles does he have?

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mpanderla95 mpanderla95

02-09-2016

X - green marbles
X + 3 - blue marbles
Total = 23

X + X + 3 = 23
2X + 3 = 23
2X = 23 - 3
2X = 20
X = 10

Jerry has 10 green marbles. He also has 13 blue Marbles. To give a total of 23.

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