Answer:
75% bigger
Step-by-step explanation:
Let the first number be x and the second be y.
So:

And:
-----30% less than x
Substitute
in 




Cross multiply


Collect like terms


Make x the subject


So, the average is:




Rewrite as:

Express as percentage

This means that the average is 75% bigger than the second number
B because 2 and 1/3 is 7/3 as an improper fraction times 4 is 28/3 and as a mixed number it is 9 and 1/3
Answer:
18
Step-by-step explanation:
Answer: 12x-6=14x-2
We move all terms to the left:
12x-6-(14x-2)=0
We get rid of parentheses
12x-14x+2-6=0
We add all the numbers together, and all the variables
-2x-4=0
We move all terms containing x to the left, all other terms to the right
-2x=4
x=4/-2
x=-2
Step-by-step explanation:
Answer:
Any more details?
Step-by-step explanation: