20 : 0.75 = 40 : 1.5 = 80 : 3
Answer:
Step-by-step explanation:
i cant see figure g
I believe the answer is b= -5
Where’s the question I need to see the problem
Answer: 12 blue marbles
Step-by-step explanation: Set up a proportion.
4/5 = x/15
Solve for x, the number of blue marbles. Cross multiply. You will get 60 = 5x
Divide by 5 on each side.
x = 12
There are 12 blue marbles.
