![]() ![]() I'll give you an example: You have a piece of carpet and a room to put it in, and you want to know what percentage of the floor. Thanks for watching this video lesson, and, until next time, happy studying. Best Answer Copy Percentages are used when comparing two things. The total cost of dining will be the sum of the bill for dinner and the tip: \($62.00+$12.40=$74.40\) STEP 3: Add the tip and bill to find the total. This is because 20 percent of a number can be written as a ratio of a part per hundred: \(20\% = \frac=.20\) We are allowed to do this because when we are finding percents, we are really multiplying a decimal number against another number. Remove the % sign from the 20% and drop a period in front of the 20 so we have. STEP 1: Change the percentage to a decimal. Let’s solve the rest of this problem in three easy steps. We already know the bill for dinner, so we’re halfway home. ![]() Our goal here is: “Determine the total cost of dining at the restaurant, including tip.” That means finding the cost of the meal and finding the cost of the tip so we can add them together. Okay, so what is our goal? We always want to understand the goal in a word problem. Determine the total cost of dining at the restaurant, including tip. The diners decide to leave their server a 20% tip. Also check with a calculator.The bill for dinner is $62.00. is it a little less or a little more than the estimate). If you rounded up or down, does the answer make sense (e.g. If you under and overestimated, is the answer in the correct range.
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