Answer:
Step-by-step explanation:
There is no solution as you have two variables and only one equation. The best you can do is solve for one variable as a function of the other.

Answer:
can you show the answer choices, please?
Step-by-step explanation:
Answer: 8x = 72
Step-by-step explanation:
and in case you need to go any further at any point, <em>x = 9</em>
Answer:
5:7
Step-by-step explanation:
140% of 30 is 42 so when i got that, i set up my proportion as 30:42 and then simplified