Answer:
X = 8
Step-by-step explanation:
5x + 2(4x-16) = 72
multiply 2 into the parenthesis
5x + 8x-32 = 72
combine like terms
13x - 32 = 72
add 32 on both sides
13x = 104
divide by 13 on both sides
X = 8
Answer:
x = 65
Step-by-step explanation:
I don't know what posts are but i'm assuming you would subtract 21 from 17 and get 4.
[Find the changes in the salary]
Increase = 28100 - 25300 = 2800
[the change, divided by the original amount. x100 to give the percentage]
percentage increase = 2800/25300 x 100 = 11.07%
You need to do 20 divide by 21 to get a decimal. Then if you multiply the decimal by hundred you should get the percentage.
