
3.1
After taxes, Jalen makes $9.25 per hour. He works for 6 hours a day and 4 days per week. He puts 32% of his money in a savings account. How much does he put in a savings account each week?
$71.04
Polygon B is a scaled copy of Polygon A. What is the scale factor from Polygon A to Polygon B?

Scale Factor = 2
Last week, gas was $1.25 per gallon. This week, gas was $1.50 per gallon. By what percent did the price increase?
20% increase
During one week, Sheila made several changes to her bank account. She made four withdrawals of $40 each from an ATM. She also used her debit card for a $156 purchase. Then, she deposited her paycheck of $375.
By how much did the amount in her bank account change during that week?
A. $59 increase
B. $59 decrease
C. $691 increase
D. $691 decrease
A. $59 increase

-13
The Martin family wants to buy a new computer. The regular price is $849. The store is offering a 20% discount and a sales tax of 6% is added after the discount. What is the total cost of the TV?
$719.95
A home decorator is adding new flooring to a living room using the blueprint below. What is the actual area of the living room?

320 square feet
Henry purchases coffee creamers in the bulk section of the grocery store. It is priced $2.60 per liter. He purchases 4 ½ liters and receives $3.30 in change. How much money did he give the cashier?
$15

1/8 pound of dried apricots left

-1
For his job, Geoff earns 10% commission on his total sales. To pay for a concert ticket, Geoff needs to earn $135 in commissions. What must Geoff’s sales total for the week?
$1,350
If Quadrilateral Q is a scaled copy of Quadrilateral P created with a scale factor of 3, what is the perimeter of Q?

186 units
Apply the properties of operations to solve the problem below.

72
A submarine’s elevation is at 25 meters below sea level, and it is descending at a constant rate of 15.5 meters per hour. If the submarine continues to descend at this rate, what will its elevation be in 5.5 hours?
-110.25 meters or 110.25 meters below sea level

-79.8
Coral purchased a new laptop for school. The laptop had an original price of $850, but it was on sale for 15% off. If Coral paid a total of$780.30 for the laptop, what was the sales tax rate?
8%
If you make a scaled copy of the rectangle shown using a scale factor of 4, what is the area of the scaled copy?

640 square units
(original area)(scale factor^2)
Apply the properties of operations to solve the problem below.

-2
Mark is planning to purchase a video game that costs $34.80 and a new controller that costs $45.00. So far, he has earned ¾ of the money by doing chores at home. He plans to earn the rest of the money by mowing lawns in his neighborhood. How much money does Mark need to earn by mowing lawns?
$19.95

-33/5 OR -6 3/5
Jamarcus is purchasing a new jacket. The jacket that he wants to purchase has an original price of $84.50. The jacket is on sale for 20% off, and Jamarcus has a coupon for an additional 15% off. If there is also a 6% sales tax on his purchase, what is the total amount that Jamarcus will pay?
$60.91
Ivory created a scaled copy of rectangle A. The area of Ivory’s scaled copy is 48 square units. What scale factor did Ivory use to create the scaled copy?
Scale Factor = 4
Solve.

3 >/ n >2
Susan decided to start a bracelet business. She spent $17.75 on supplies for her bracelets. She sold 24 bracelets at $3.25 per bracelet. Susan plans to set aside one-fourth of her earnings toward supplies for the next month. How much money will Susan have for supplies next month?
$15.06