Answer:
Cross multiplication is the method used to determine whether or not a proportion is true.
Explanation:
If you know one ratio in a proportion, you can use that information to find values in the other equivalent ratio.
Cross multiplication is the method used to determine whether or not a proportion is TRUE.
For example, if a bowl of fruit contains 10 oranges and 8 lemons, then the ratio of oranges to lemons is 10 is to 8 (that is, 10 : 8 ), which is equivalent to the ratio 5:4).
Answer: 9:20
Step-by-step explanation:
After 25 minutes, Nico should take them out, so 9:20.
Answer:
The scale factor, or linear scale factor, is the ratio of two corresponding side lengths of similar figures.
Step-by-step explanation:
