CDAB
4.2 (convert to frac on ur own)
12.5=x
CB= 14.5
AB= 8.82
I solved it and i think the answer is 20 :)
Answer:
25%
Step-by-step explanation:
There's a total of 5+8+7 = 20 marbles.
The chance of picking a blue marble is
25%, as there's 5 blue marbles and a total of 20.