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.
Answer: -5z+13
Step by step:
6z-5
-z-8 now you add -5, and -8 and it becomes positive. And then you subtract 6z and -z
You get -5z+13
4:5:7
X1500
6000:7500:10500
Share 2 is $7500 and share 3 is $10500.
Each 1 in the original ratio is worth $1500, so you just multiply it by the corresponding number to get the answers.
Answer :
Y=6x-8
Explanation
