Answer:
I say the first graph in the first pic
Also,the 2nd graph in the 2nd pic
Answer:
1/2
Step-by-step explanation:
84 blue marbles.
Steps:
1) Use the 3:7 ratio
2) Since there are 36 red marbles, you should know to multiply the ratio by 12.
3) Multiply 7 by 12 (7x12=84)