- A bike shop rents mountain bikes (#3256)
A bike shop rents mountain bikes for a $8.50 insurance charge plus $3.50 per hour. For how many hours can a person rent a bike with $32...
systems of linear equations, systems of equations, linear equations, systems, equations
- A bulldozer can move 25 tons/h of material (#2440)
A bulldozer can move 25 tons/h of material,and an end loader can move 18 tons/h.The bulldozer costs $75/h to operate,and the end loader costs $%0/h to operate.During a 1 hour construction company moved 204 tons at a cost of $600...
systems of linear equations, systems of equations, linear equations, systems, equations
- A motorboat travels 332 in 4 hours (#2571)
A motorboat travels 332 in 4 hours going upstream 555 and in 5 hours going downstream. What is the speed of the boat in still ...
systems of linear equations, systems of equations, linear equations, systems, equations
- A rectangular lot whose perimeter (#2249)
A rectangular lot whose perimeter is 360 ft. is fenced along 3 sides. An expensive fencing along the lot's length costs $20 per ft. and an inexpensive fencing along the 2 side widths costs $8 per ft. The total cost of the fencing along the 3 sides comes to $3280...
systems of linear equations, systems of equations, linear equations, systems, equations
- At the afternoon matinee movie (#1982)
At the afternoon matinee movie 3 adult tickets and 4 child tickets cost $41, and 4 adult tickets and 3 child tickets cost $43...
linear equations, equations, systems of equations, systems, systems of linear equations
- If robert has ten coins all nickels and dimes (#1830)
If robert has ten coins all nickels and dimes worth 70 cents how many of each kind of coin does he have?
linear equations, equations
- Lara arranged the books on her shelf by size (#2520)
Lara arranged the books on her shelf by size. 2/10 of the books were tall, and 1/2 of the books were ...
linear equations, equations
- Mark bought 114 meters of fencing (#3288)
Mark bought 114 meters of fencing to enclose an area of pasture for his sheep. He plans to use all of the fencing to make a rectangle that is twice as long as it is ...
solving systems of linear equations, systems of linear equations, systems of equations, linear equations, systems, equations
- Ravi will be four times his present age (#2102)
Ravi will be four times his present age after five ...
linear equations, equations
- Six times a number decreased by five (#312)
6 times a number decreased by 5 is the same as 4 times the number increased by 9...
linear equations, equations
- The band boosters are organizing a trip (#2976)
The band boosters are organizing a trip to a national competion for the 226-member marching band. A bus will hold 70 students and their instruments. A van will hold 8 students and their instuments. A bus costs $280 to rent for the trip. A van costs $70 to rent for the trip. The boosters have $980 to use for ...
solving systems of linear equations, systems of linear equations, systems of equations, linear equations, systems, equations
- The board of directors of a corporation (#3364)
The board of directors of a corporation grant a bonus of $5000 to be divided between two employees. The senior employee receives $1200 more than the junior ...
linear equations, systems of equations, systems of linear equations, solving systems of linear equations, systems, equations
- The following table gives the population (#202)
The following table gives the population (in millions) of Georgia and North Carolina in 1990 and 2003.
Year Georgia North Carolina
1990 6.5 6.8
2003 8.7 8.4
Assume that the population growths are ...
linear equations, equations
- The population of black mountain (#2557)
The population of black mountain is 40,000 and is gowing by 800 per year. The population of Hidden Valley is 67,000 and is decreasing by 550 per ...
linear equations, equations
- The product of whole positive even integer (#322)
The product of whole positive even integer and the product of the next larger positive integer equals the reciprocal of the first ...
linear equations, equations
- There are two phone plans (#3279)
There are two phone plans. One plan has $28 one time fee, and 9 cents a min. The second is 13 cents a ...
solving linear equations, linear equations, solving equations, equations
- Three pumps are being used to empty a small pool (#2611)
Three pumps are being used to empty a small pool. The first pump is twice as fast as the second pump. The first two pumps can empty the pool in 8 hours, while all three pumps can empty it in 6 hours. How long would it take each pump to empty the pool individually? Hint: Let x represent the fraction of the pool that the first pump can empty in one hour. Let y and z represent this fraction for the second and third ...
linear equations, equations
- Two cars started from the same point (#1751)
Two cars started from the same point but traveled in opposite directions. the faster car traveled 15 kilometers faster than the slower car. after five hours the 2 cars were 575 kilometers ...
linear equations, equations