Well in order to solve the first one you would want to find things in the numerator and the denominator that are similar; such as 9x and 15x, or 2x squared and x square. Then you should divide the numbers
Answer: Yes, they are proportional
Step-by-step explanation:
Each side was multiplied by 2
Answer:
By making the prices differ.
Step-by-step explanation:
You know, I find my answer very bad, sorry.
If that helped your welcome, if not sorry I can't help you.
You have to have the same base numbers
2^4x = 2^7x
now you can cancel out the 2s and set the powers equal to each other.
4x= 7x
-11x = 0
x = 0???
im not 100% sure but i think this is what you do
