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:
matter is any substance that has mass and takes up space by having volume
Step-by-step explanation:
This is 90,000 is your answer
Answer:
$17.60
Step-by-step explanation:
2.50 + 6 = 50
-6
2.50 = 44
44/2.5 = x
x= 17.60
