Problem Solving. Flashcards
1
Q
How do you calculate Averages?
A
Add all of the values (numbers) together and divide by how many you have added.
2
Q
How do you calculate the Ratios?
A
You must divide all numbers by the same. Simplify it as much as possible but they must all be whole numbers with no decimals.
3
Q
How do you calculate Percentages?
A
Divide the number you are trying to find by the total and multiply by 100.
4
Q
How do you calculate Percentage Change?
A
The difference divided by the original value multiplied by 100.