Lesson 10

Tax and Tip

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Problem 1

In a city in Ohio, the sales tax rate is 7.25%. Complete the table to show the sales tax and the total price including tax for each item.

item price before tax ($) sales tax ($) price including tax ($)
pillow 8.00
blanket 22.00
trash can 14.50

Solution

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Problem 2

The sales tax rate in New Mexico is 5.125%. Select all the equations that represent the sales tax, \(t\), you would pay in New Mexico for an item of cost \(c\)?

A:

\(t=5.125c\)

B:

\(t=0.5125c\)

C:

\(t=0.05125c\)

D:

\(t=c \div 0.05125\)

E:

\(t=\frac{5.125}{100}c\)

Solution

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Problem 3

Here are the prices of some items and the amount of sales tax charged on each in Nevada.

cost of item ($) sales tax ($)
10 0.46
50 2.30
5 0.23
  1. What is the sales tax rate in Nevada?
  2. Write an expression for the amount of sales tax charged, in dollars, on an item that costs \(c\) dollars.

Solution

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Problem 4

Find each amount:

  1. 3.8% of 25
  2. 0.2% of 50
  3. 180.5% of 99

Solution

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(From Unit 4, Lesson 9.)

Problem 5

On Monday, the high was 60 degrees Fahrenheit. On Tuesday, the high was 18% more. How much did the high increase from Monday to Tuesday?

 

Solution

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(From Unit 4, Lesson 8.)

Problem 6

Complete the table. Explain or show your reasoning.

object  radius  circumference
ceiling fan 2.8 ft
water bottle cap 13 mm
bowl 56.5 cm
drum 75.4 in

Solution

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(From Unit 3, Lesson 4.)