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)
Answer:
that is funny. That is where my dad was born and now he has horrible breathing issues
Step-by-step explanation:
Answer:
Step-by-step explanation: