You are on vacation and want to buy a pair of sunglasses for $10 or less. You find a pair with a price tag of $10. The cashier says the total cost will be $10.45. What do you notice? What do you wonder?
10.2: Shopping in Two Different Cities
Different cities have different sales tax rates. Here are the sales tax charges on the same items in two different cities. Complete the tables.
1 point
1
Question 2
2.
City 1
1 point
1
Question 3
3.
City 2
10.3: Shopping in a Third City
Here is the sales tax on the same items in City 3.
1 point
1
Question 4
4.
What is the tax rate in this city?
1 point
1
Question 5
5.
For the sales tax on the laundry soap, Kiran says it should be $0.84. Lin says it should be $0.87. Do you agree with either of them? Explain your reasoning.
10.4: Dining at a Restaurant
Jada has a meal in a restaurant. She adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00.
1 point
1
Question 6
6.
When the check comes, it says they also need to pay $3.99 in sales tax. What percentage of the subtotal is the sales tax?
1 point
1
Question 7
7.
After tax, the total is $45.99. What percentage of the subtotal is the total?
1 point
1
Question 8
8.
They actually pay $52.99. The additional $7 is a tip for the server. What percentage of the subtotal is the tip?
The tax rate at this restaurant is 9.5%.
1 point
1
Question 9
9.
Another person’s subtotal is $24.95. How much will their sales tax be?
1 point
1
Question 10
10.
Some other person’s sales tax is $1.61. How much was their subtotal?
1 point
1
Question 11
11.
Elena's cousins went to a restaurant. The part of the entire cost of the meal that was tax and tip together was 25% of the cost of the food alone. What could the tax rate and tip rate be?