Question

3. The ratio of blue marbles to white

marbles in Simran's bag is equal to
1 to 2. If there are 20 blue marbles,
how many white marbles are there?
A 20
C 40
B 30
D 50
​

Answer 1

C. 40
hope this helps

Answer 2

C 40

Explanation:

1 blue : 2 white

multiply both sides of the proportion by 20 to reach 20 blue marbles

20 blue: 40 white