Ch. 3 Test for 7th Grade

What is the percent proportion you use to solve a percent problem?

• whole                   percent
  _________    =      _________
  Part                      100%
• Part                  percent
  _________    =      _________
  Whole                      100%
• whole                   100%
  _________    =      _________
  Part                      percent
• _100%                   percent
  _________    =      _________
  whole                      part

Convert 23% to a decimal

• 2.3
• 23
• 0.23
• 0.023

A student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly? 

• 16 questions
• 4 questions
• 25 questions
• 15 questions

  What is the appropriate amount of sales tax (6%) on an item costing $175.00?

• $ 9.99
• $ 10.50
• $100.00
• $ 12.54

How much will you tip on a $75.45 steak dinner, if you leave an 18% tip? (Think... What is 18% of $75.45?)

• $ 13.58
• $ 89.03
• $ 61.87
• $135.80

Suppose a family pays $29.99 for a dinner meal. They leave a 15% tip. Find both the tip and the total price of the meal.  (Find Tip first.  Then add Tip to Original bill cost to find your TOTAL!)

• Tip = $15.20
  Total = $45.20
• Tip = $1.10
  Total = $31.10
• Tip = $9.40
  Total =  $24.56
• Tip = $4.50
  Total = $34.50

Daniel has dinner at a restaurant and the cost of his meal is $28.00. Because of the service, he wants to leave a 20% tip. What is his total bill including tip? (Think Tip 1st then add tip to bill to find the answer)

• 33.60
• 40.00
• 24.60
• 30.50

Sam bought an $85.00 jacket for 40% off of the regular price.  How much did he pay for the jacket?  (Think... 40% of $85.  Then subtract the amount from $85 to find your answer.)

• 75
• 51
• 36
• 34

Lacie bought a $20 shirt that was marked down 30%.  What did she pay AFTER tax of 6% was added to the price of the shirt?  (MULTI STEP PROBLEM...   1. Find 30% of $20.   2. Subtract your answer in step 1 from $20.  3. Find 6% of answer in step 2.  4. Add step 3 to step 2 to find your answer!)

• $14
• $15.20
• $26.00
• $14.84

Find the Percent of Change.  
A Microwave Originally cost $96.  The store was selling so many of them they decided to markup the cost to $115.20 in order to make more money.  What is the percent change?  Round to nearest Percent.
Hint: Use percent change formula  (KEYNOTE ACTIVITY)

• 20% Increase
• 17% Increase
• 20% Decrease 
• 17% Decrease