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1. The function that calculates the value of an investment after t years is given by y =
516 x 1.16t. What is the interest rate? - ANSWER 16%
2. y = 320 x 1.19t, what is the interest rate? - ANSWER 19%
3. Lulu has driven 320m out of a 770m trip and is traveling at an average speed of
50mph. Write an equation to show how much more Lulu needs to drive. -
ANSWER 770 - 50x = 320
4. Sophia went out to a restaurant and left a tip of $29.90, which was 23% of the total
bill. What was the original total before the tip? - ANSWER $130.00
5. Kamal's car gets 26 miles per gallon on average. How many miles can Kamal drive on
35 gallons? - ANSWER 910
6. There are 3ft in 1 yard and 12in in 1 foot. How many inches are in 82 yards? -
ANSWER 2,952
7. Graph a linear equation with a slope of 1 and a y-intercept of 10 - ANSWER See
camera roll
,8. The equation 4x + 11 = 51 describes a scaled score on a standardized test, where x is
the number of questions answered correctly. What is a constant in the equation? -
ANSWER 51
9. Oliver invests $2,800 in an investment that earns simple interest. After 2 years, the
value of the investment is $3,248. What is the annual interest rate? - ANSWER
8%
10. Maya invested $7,400 in an account that pays 7% interest compounds annually. How
much will be in Maya's account after 2 years? - ANSWER $8,472.26
11. Maria wants to invest $4,500 in a savings account and has two options. Option A is an
account that compounds interest twice per year at an annual rate of 7%. Option B is
an account that compounds interest four times per year at an annual rate of 4%. What
is the better option for Maria? - ANSWER Option A because it will have more
money after 1 year.
12. The purchase price of a particular house is $860,000 overtime. The value of the house
increased by 25%. What is the new value of the house? - ANSWER $1,075,000
13. Li it's a new job with an annual salary of $63,000 and wants to plan a budget using the
50/30/20 strategy how much should Li put towards savings and paying off credit card
debt? - ANSWER $12,600
14. What is a bad debt? - ANSWER A bad debt is money owed that will likely never
be returned.
15. What is good debt? - ANSWER Debt that has potential to increase your net worth
or generate future income i.e. mortgages student loans, business loans, low interest, or
interest, free loans and auto loans
,16. A cell phone company offers two different plants. The first is a family plan that cost
$160 per month with no extra fees. The second cost $35 per month for each line but
also has a $10 flat fee per month. Currently, a family is paying for 5 lines using the
second plan. How much will they save over 3 years by switching to the family plan? -
ANSWER $900
17. A person wants to fence in a rectangular garden in their yard. The garden is 13 feet
long and 6 feet wide how much fence is needed? - ANSWER 38 feet
18. A circular rug is being made in which the distance from any point on the edge,
through the center, to the opposite edge is 140 inches. A decorative edging will be
sewn along the entire outside edge of the rug. Which length of edging is needed for
the rug? - ANSWER 439.82 inches
19. A playground is in the shape of a circle. The distance from the outer edge to the center
is 10 feet. What is the area of the playground? - ANSWER 314.16 ft.²
20. A person wants to buy mulch for a rectangular area that is 16 feet long by 10 feet
wide. The mulch will be 3 inches deep and cost one dollar per cubic foot. How much
will it cost to buy the mulch? - ANSWER $40
21. Hardwood flooring cost $2.20 per square foot. How much will it cost to buy flooring
for a rectangular room that is 16ft by 18ft? - ANSWER $633.60
22. Li is waiting in line for a buffet at a grand opening event for a business. He notices
that, on average, the next person in line starts getting food every 13 seconds. There
are 110 people ahead of him. How long will it be, approximately, until li starts getting
his food? - ANSWER 24 minutes
23. A storage bin is 23 inches long 15 inches wide and 17 inches deep. A person wants to
fit packages in the bin that have the shape of a cube with a side length of 4 inches.
How many of the packages can fit in the - ANSWER 60
, 24. A worker needs to pack containers into a box that is 30 inches long 15 inches wide
and 13 inches deep. Each container is a cube with a side length of 5 inches how many
containers will fit in the box - ANSWER 36
25. A person is walking due east the person turns 90° to the right and continues. Which
direction is the person walking now? - ANSWER Due south
26. A person turns an adjustment grew clockwise by an angle of 30° from the starting
position shown in the diagram (see camera roll) which diagram shows the final
position of the screw? (See camera roll.) - ANSWER See camera roll
27. A person addressed the volume knob on a radio. The movement is shown in the
diagram. (See camera roll.) Which angle measure represents the rotation of the knob?
- ANSWER 75°
28. Variable - ANSWER Assemble, usually a letter, representing an unknown number
29. Exponential growth explicit formula? - ANSWER Pn = P0(1 + r)^n.
30. Example of linear growth: 437 bottles + 32/year. Formula? - ANSWER Pn = 437 +
32n.
31. Example of exponential growth: $10,000 at 5% interest. Formula? - ANSWER y=
10,000(1.05)^n.
32. What are net earnings? - ANSWER Income after taxes are deducted.