Number 1 and number 3 are the same because if you are purchasing three tires that is 75% off the tires you need and one of them you get free. the free one becomes the overall discount of 25% off. number 3 is the same, the one quarter represents 25% off of the purchase.
If you have a ratio like 1 yard for 3 feet you can graph that to get a better understanding of size
Answer:183
Step-by-step explanation:18but with 3 183