As you learn about using percentages in real life examples are available to show you precisely how they are used in everyday settings, from sales tax to more.
If you've eaten at a restaurant, you've probably left a tip for your server. A tip is a small amount of money that you add to your bill when someone gives you service. The amount of a tip is usually a percentage of the total cost. For example, you might leave a fifteen percent tip at a restaurant for average service.
Let's say you eat at a restaurant with some friends. The bill comes to $12.04, and you'd like to leave a 15% tip. This means you'd like to leave 15% of $12.04. How much money should you leave total?
Click through the slideshow to learn how to calculate tips.
Let's say you went out to eat, and your bill is $12.04. You want to leave a 15% percent tip.
A tip is a percentage of the total. In this case, it means the tip is fifteen percent of $12.04.
Whenever you see the phrase "of something" in a math sentence, it's usually a hint that you'll need to multiply.
So we'll multiply 12.04 by 15%.
Before we can do that, we'll need to convert 15% into a decimal.
We'll move the decimal point two places to the left...
We'll move the decimal point two places to the left...so 15% becomes 0.15.
Now we can multiply. 0.15 times 12.04 equals 1.80.
So the tip is $1.80.
We could also say that 15% of $12.04 is $1.80.
Remember, a tip is extra money added to the total. So we'll add the tip to the bill.
1.80 plus 12.04 equals 13.84.
So the final price of the meal is $13.84, after including tip.
Let's try another example. Let's say you had excellent service and would like to leave a 20% tip for a meal that cost $68.80.
This means the tip will be 20% of $68.80.
We'll multiply 20% by 68.80.
First, we'll need to convert 20% into a decimal, so we'll move the decimal point two places to the left.
20% is the same as 0.20.
Now we'll multiply. 68.80 times 0.20 equals 13.76.
So the tip is $13.76.
Another way to say this is that 20% of $68.80 is $13.76.
Finally, we'll add the tip to the bill.
68.80 plus 13.76 equals 82.56.
The final price, after tip, is $82.56.
Find the final price for each item, including the tip.
You have a pizza delivered to your house. It costs $19. You want to leave the delivery driver a 15% tip. What's the total?
You eat out at a restaurant with some friends. The bill comes to $47.50. If you leave a 20% tip, what is the total cost of your bill?
Your cab fare from home to the airport is $35. You'd like to give your driver an 18% tip. What's the total?
Want even more practice? Try out a short assessment to test your skills by clicking the link below: