15 Questions
| Attempts: 50

Check-in on section 10-3. Writing and solving inequalities.

Questions and Answers

- 1.Chose the correct answer. Express each quantity in terms of
*k*. The value of quarters in cent of*k*quarters- A.
K

- B.
25k

- C.
K + 25

- D.
K/25

- 2.Chose the correct answer. Express each quantity in terms of
*k*. The time needed to travel 100 km at*k*km/h- A.
Not enough information given to determine

- B.
K/1000

- C.
100k

- D.
100/k

- 3.Chose the correct answer. Express each quantity in terms of
*k*. The area of a rectangle measuring 23 m by*k*m- A.
2(23) + 2k

- B.
23k

- C.
(23k)(23k)

- D.
23 + k

- 4.Chose the correct answer. Express each quantity in terms of
*k*. The cost of a*k*-minute telephone call, if the first minute costs $0.40 and each additional minute is $0.30- A.
0.40 + 0.30(k - 1)

- B.
0.40 + 0.30k

- C.
0.30k + k

- D.
0.40k + 0.30(k-1)

- 5.Chose the correct answer. Express each quantity in terms of
*k*. The perimeter of a rectangle that measures 2.5 ft by*k*ft- A.
2.5 + k

- B.
2.5 + 2k

- C.
5 + 2k

- D.
2.5k

- 6.Chose the correct answer. Mel had $28. After cashing a check he received from his mom, he had more than $75. What is the amount of the check Mel cashed?
- A.
Mel cashed a check for more than $47.

- B.
Mel cashed a check for less than $47.

- C.
Mel cashed a check for less than or equal to $47.

- D.
Mel cashed a check for more than or equal to $47.

- 7.Choose the correct answer. Postage is $.25 for the first ounce and $.20 for each additional ounce. How heavy a package, to the nearest ounce, can Marcella send if she wants to spend no more than $2.25?
- A.
Marcella can send a package weighing more than 11 ounces.

- B.
Marcella can send a package weighing less than 11 ounces.

- C.
Marcella can send a package weighing equal to 11 ounces or less.

- D.
Marcella can send a package weighing equal to 11 ounces or more.

- 8.Choose the correct answer. The width of a poster is 8 cm less than the length. The perimeter is more than 184 cm. If the measurements are both integers, fund the minimum dimensions of the poster.
- A.
The minimum dimensions are 102 cm by 86 cm.

- B.
The minimum dimensions are 51 cm by 59 cm.

- C.
The minimum dimensions are 43 cm by 35 cm.

- D.
The minimum dimensions are 51 cm by 43 cm.

- 9.Choose the correct answer. After serving 45 lb of poultry, caterer had more than 10 lb left. How many pounds of poultry did the caterer have originally?
- A.
More than 55 lb

- B.
Less than 55 lb

- C.
55 lb or more

- D.
55 lb or less

- 10.Choose the correct answer. Sonya is a waitress. She earns $200 a week plus a 15% tip on the cost of each meal she serves. What must be the total cost of the meals she serves for her to each at least $425 each week?
- A.
$1500 or less

- B.
Less than $1500

- C.
$1500 or more

- D.
More than $1500

- 11.Choose the correct answer. The length of a rectangle is 6 cm shorter than its width. The perimeter is at least 60 cm. What are the smallest possible dimensions for the rectangle?
- A.
12 cm by 18 cm

- B.
18 cm by 24 cm

- C.
6 cm by 12 cm

- D.
Answer not given

- 12.Chose the correct inequality. The variable represents the number indicated in the parentheses. Maria, who is older than her 12-year-old brother, is 4 years younger than Sue. (Sue's age)
- A.
- B.
- C.
- D.

- 13.Chose the correct inequality. The variable represents the number indicated in the parentheses. The sum of four consecutive integers is at most 100. (Smallest integer)
- A.
- B.
- C.
- D.

- 14.Chose the correct inequality. The variable represents the number indicated in the parentheses. Fred has one third as many $10 bills as $20 bills. He has at least $300. (Number of $20 bills)
- A.
- B.
- C.
- D.

- 15.Chose the correct answer. A purse contains 26 coins, some of which are dimes and the rest nickels. Altogether, the coins are worth more than $2.10. At least how many dimes are in the purse?
- A.
At least 16 dimes

- B.
At least 17 dimes

- C.
At least 15 dimes

- D.
Not enough information given to solve

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