I’d say 10 or 11 but I’m not 100%
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)
3x+39=5x+29
x=5
3(5)+39=54
5(5)+29=54
A) 54°
Answer:
1
Step-by-step explanation:
