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kolezko [41]
3 years ago
8

A bag contains green marbles and blue marbles, 18 in total. The number of green

Mathematics
1 answer:
Katena32 [7]3 years ago
5 0

Answer:

Step-by-step explanation:

Let the number of blue marbles be x

The number of green marbles = 3x - 2

Total marbles= 18

x + 3x -2 = 18

4x - 2 = 18

     4x = 18+2

      4x = 20

x =20/4

x =5

The number of blue marbles = 5

The number of green marbles = 3*5 - 2 = 15 -2 = 13

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