What is the meaning of percent? How can percent be estimated and found?

Percent means the number out of 100

use the formula ( Value you got / Original value) X 100

for percentage increase or decrease = (Change in value / original value) X 100

Step-by-step explanation:

answer: 0

step-by-step explanation: the positive, like 5, + its opposite, like -5 would be 0

5+(-5)=0, or 5-5=0

30 feet

step-by-step explanation:

that would be 2 1/2 * 12

= 24 + 6

= 30 feet   (answer)