In a bag of marbles 12% were blue 18%were green and the rest were purple if the bag has 150 marbles how many were blue or green

12% of the blue marbles is 18 marbles and 18% of the green marbles is 22.5%

150/10 = 15 or 10% divide that by 10 to get 1.5 for 1%

15 + 3 = 18 answer for blue marbles

15 +15 - 3 = 27 = 18%

step-by-step explanation:

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.632

step-by-step explanation:

6 * 1/10 = 3/5

3*0.01 = 0.03

3/5 + 0.03 = .63

2*0.002 = .002

.63 + 0.002 = .632