Kirk has one hour to spend at the gym where he will jog, play handball and cycle. Jogging uses 12 calories per minute, handball uses 10 calories per minute and cycling uses 7 calories per minute. Kirk jogs as long as he cycles. How long should Kirk participate in each of these activities in order to use 590 calories? Find the minutes for cycling.

40 minutes

10 minutes

30 minutes

20 minutes

none of these

The Kiwanis Club sold citrus fruit to raise money for their scholarship fund. A box of oranges costs $17 and a box of grapefruit costs $25. They sold 321 boxes of citrus for a total of $6337. How many boxes of grapefruit did they sell?

210

110

210

211

none of these

Belmont Records produces DVD records. The fixed costs for producing a record are $170,000, and unit costs amount to 85 cents per record. The revenue is $4 per DVD. How many DVDs must be sold in order to break even?

53,978

5,397

53,968

5,399

The weekly expenses of selling x bicycles in The Bike Shop are given by the cost function. C(x) = 1300 + 170x and the revenue is given by R(x) = 250x. Write the profit function.

P(x) = 420x - 1300

P(x) = 80x + 1300

P(x) = 42x + 1300

P(x) = 80x - 1300

P(x) = 1300 - 80

Dan's Bagel Shop has tables that seat two people and tables that seat four people. There are a total of 21 tables and 68 people can be seated. How many tables that seat four people are there?

12

10

15

13

none of these

Mr. Hamilton has 80,000 to invest in a tax-free fund and in a money market fund. The tax-free fund pays 7.5%, and the money market pays 6.8%. How much should he invest in tax-free to get a return of $5,709.50?

$38,000

$41,500

$38,500

$42,000

A company markets exercise DVDs that sell for $24.95, including shipping and handling. The monthly fixed costs (advertising, rent, etc.) are $25,550 and the variable costs (materials, shipping, etc.) are $7.45 per DVD. Find the equation of the cost of producing DVDs per month.

		C = $24.95 + $7.45d
		C = $25,550m + $7.45
		C = $25,550 + $7.45d
		C = $24.95m + $7.45 A traveler needs a rental car for a day. He shops around to find a car rental company with the lowest overall price. He finds a national car rental company that charges a $24 daily fee plus $0.80 per mile. He also finds a local car rental company that charges a $18 daily fee, plus $0.90 per mile. Under what conditions would it be less expensive to rent from the national car rental company? More than 60 miles Less than 60 miles More than 70 miles Less than 70 miles Delilah wants to join a gym, so she shops around to find the one with the lowest overall price She finds that Gym A is running a special and only charges an $17 initiation fee plus $27 a month to be a member. Gym B charges $107 to join, and has a monthly fee of $21. Under what conditions would it be more expensive to join Gym B? More than 12 months Less than 12 months More than 15 months Less than 15 months Mike has $880 in his savings account and adds $24 per week. At the same time, Leslie has $520 in his savings account and adds $36.00 per week. How long will it take Leslie to have the same amount as Mike? 27 weeks 26 weeks 25 weeks 28 weeks 24 weeks