We can find the ratio by dividing the ratio of 35:40 by both of the number's greatest common factor. A factor is a number that can be multiplied with another number to get the desired number. The greatest common factor of the two numbers is 5, so dividing both numbers by 5 leaves you with the ratio of 7:8. Hope this helps friend.
Explanation: There’s no thinking in this, because you can use your eyes to look for the answer. Not all questions will have this type of question. But they do seem pretty similar to me.