Calculating Tips and Total Cost

The video tutorial explains how to solve a word problem involving calculating a 20% tip on a restaurant bill. It covers setting up the equation, calculating the tip, rounding the result to a practical amount, and finally adding the tip to the original bill to find the total cost. The tutorial emphasizes the importance of rounding in real-life scenarios and provides step-by-step guidance to ensure accuracy.

What was the total amount of the dinner bill before adding the tip?

• $115.00

• $105.74

• $100.00

• $110.00

What percentage of the bill did Ms. Jimenez decide to tip?

• 15%

• 25%

• 20%

• 10%

How do you convert a percentage to a decimal for calculation purposes?

• Move the decimal one place to the right

• Move the decimal one place to the left

• Move the decimal two places to the right

• Move the decimal two places to the left

What is the result of multiplying 0.20 by $105.74?

• $23.00

• $22.00

• $21.148

• $20.00

Why is it important to round the calculated tip amount?

• To make it easier to calculate

• To match the store's requirements

• To avoid using decimals

• To make it practical for everyday transactions

Which digit do you look at to decide whether to round up or down?

• The first digit after the decimal

• The second digit after the decimal

• The third digit after the decimal

• The fourth digit after the decimal

What is the rounded tip amount that Ms. Jimenez decided to leave?

• $21.10

• $21.20

• $21.15

• $21.25

What is the final total amount paid by Ms. Jimenez after adding the tip?

• $125.00

• $126.00

• $126.89

• $127.00

What is the purpose of adding the tip to the original bill amount?

• To estimate the service charge

• To determine the discount

• To find the total amount paid

• To calculate the tax

What is the final answer for the total cost including the tip?

• $129.89

• $128.89

• $127.89

• $126.89