Ahmad has a bag of 120 marbles. The red marbles, yellow marbles, and green marbles are in the ratio 2:3:7. How many red, yellow, and green marbles are in the bag?

Step-by-step explanation:

Total marbles=120

sum of ratio=2+3+7=12

Red=2/12 ×120=20

yellow=3/12×120=30

Green =7/12×120=70

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x