Answer:
155
Step-by-step explanation:
The result of adding the answer together is 1
The answer is 6 since the scale factor is 2 and 3x2 is 6
First you multiply the numbers you do have to get the number your looking for 1/7•14=2 and 2divided by 1/7=14 so 2 would be your answer
Let red marbles be x.
Blue : 2x
Red : x
Yellow : x+8
2x + x + x + 8 = 56
4x = 48
x = 12
Red marbles: 12
Blue : 24
Yellow: 20
