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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 $10.45.
What do you notice? What do you wonder?
Different cities have different sales tax rates. Here are the sales tax charges on the same items in two different cities. Complete the tables.
City 1
| item | price ($) | sales tax ($) | total ($) |
|---|---|---|---|
| paper towels | 8.00 | 0.48 | 8.48 |
| lamp | 25.00 | 1.50 | |
| toothbrush | 1.00 | ||
| laundry soap | 12.00 | ||
City 2
| item | price ($) | sales tax ($) | total ($) |
|---|---|---|---|
| paper towels | 8.00 | 0.64 | 8.64 |
| lamp | 25.00 | 2.00 | |
| toothbrush | 1.00 | ||
| laundry soap | 12.00 | ||
A printed receipt. The information on the receipt is as follows: Date: Sep. 12th. Time: 6:55pm. Server: #27. Bread Stix 9 point 5 0; Chicken Parm 15 point 5 0; Chef Salad 12 point zero zero; Lemon Soda 2 point zero zero; Tea 3 point zero zero; Subtotal 42 point zero zero; Sales Tax 3 point 9 9; Total 45 point 9 9.
Two printed receipts with some information left blank. The information on the left receipt is as follows: Date: Sep 12th. Time: 6:04 PM. Server: #27. Bread Stix, 9 point 5 0. Ravioli Bites, 10 point 5 0. Cheesecake, 4 point 9 5. Subtotal, 24 point 9 5. Sales Tax, blank. Total, blank. The information on the right receipt is as follows: Date: Sep 12th. Time: 7:12 PM. Server: #27. Garden Salad, blank. Broccoli Bites, blank. Subtotal, blank. Salsx Tax, 1 point 6 1. Total, blank.
Another person’s subtotal is $24.95. How much will their sales tax be?
Some other person’s sales tax is $1.61. How much was their subtotal?
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