The image below is a line graph
Solution
Solve

Step 1: Evaluate and cross multiply

Step 2: Collect like terms
Given:
Number of white roses = 4
Number of red roses = 8
To find:
The ratio of the number of red roses to the number of white roses.
Solution:
Using the given information, the ratio of the number of red roses to the number of white roses is




Therefore, the required ratio is 2:1.