Answer: x=6
Step-by-step explanation: Hope this help :D
D I think so do not get mad if I am wrong
3x-8(+8)=7(+8)
3x/3=15/3
x=3
Answer:
9.0625%
Step-by-step explanation:
It increased from 320 to 349
This is a percent INCREASE.
320 is the "old" value and 349 is the "new" value.
We find percent increase by the formula:

Where old is 320 and new is 349. Lets substitute and find the increase (percentage):

The percentage increase is 9.0625%