Answer:
C 40
Step-by-step explanation:
1 blue : 2 white
multiply both sides of the proportion by 20 to reach 20 blue marbles
20 blue: 40 white
Answer:
The rectangle with ratio 2:6
As When we simplify 2:6 we get 1:3
The equvalents of 1:3are
2:6 ,3:9,4:12,5:15,6:18,7:21,8:24,9:27,10:30..
Answer:

Step-by-step explanation:
Given



Required
Find r
From the question, we understand that G is a point between D and M:
This implies that:

Substitute values for DM, DG and GM

Collect Like Terms


Solve for r

