a 40 inch board is to be cut into three pieces so that the second piece is twice as long as the first piece and the third piece is 5 times as long as the first piece. If x represents the length of...
a 40 inch board is to be cut into three pieces so that the second piece is twice as long as the first piece and the third piece is 5 times as long as the first piece. If x represents the length of...
rosalinda invested some of her $15000 in bonds that made 6% profit and the rest in bonds that made a 10% profit. If the profit on the 10% bonds was $1000 more than the profit on the 6% bonds, how...
an old conveyor belt takes 21 h to move one days coal output, working with a new conveyor belt, they finish the job in 9 hours.
Paul and Ryan earned $3 an hour. Paul worked 5 hours more than Ryan. They earned $105 together. What is, x, the number of hours Ryan worked?
F9x) = 3-√x / 9-x that is continuous at a=9
Mr jones gave 40% of the money he had to his wife. he also gave 20% of the remaining amt to each of his three sons. half of the amt now left was spent on miscellaneous items and remaining amt of Rs...
how many kg of pure salt must be added to 30 kg of 2% solution of salt and water to increase it to a 10% solution means in 30kg 2% is solution of water and salt then what is 28 kg and...
The sum of the digits of a two digit counting number is 8. When the digits are reversed the number is 18 greater than the original number. What was the original number?
A kite is flying at the end of a straight string that has a length of 200 feet. The string makes and angle of 60 degrees with the ground. How high above the ground is the kite flying?
How many liters of a 79% glycol solution must be added to 72 liters of a 34% glycol solution to get a 63% glycol solution?
tickets to a local movie were sold at 6.00 for adults and 4.50 for students. if 95 tickets were sold for a total of 532.50 how many adults tickets were sold
For a field trip to the museum, the science club can purchase individual tickets for $4 each or a group pass for $160. How many club members are necessary for it to be cheaper to buy a group pass...
Every group of (5) 2 year olds need at least 1 teacher. There are (19) 2 year olds in a class. How many teachers must be ther?
Lauren and marge aold 452 tickets. Lauren sold 24 more than marge. How many did each sell?
A family has two cars. The first car has a fuel efficiency of 40 miles per gallon of gas and the second has a fuel efficiency of 25 miles per gallon of gas. During one particular...
Ben needs to run 3 miles each day to prepare for a race. one lap around the school track is 400 yards. If Ben runs 10 laps a day will he run at least 3 miles? Explain (Note 1 mile = 1760 yard...
zac can spend no more than $95 per day to rent a car. A car rents for $37 per day plus $0.20 per mile.
Esther, Beowulf, Cwene, and Durwyn were dividing up a bag of gold coins from a dragon's hoard Esther took three more than one quarter of the coins in the bag Beowulf took...
Sams age is 30, which is 6 times more than 3 times Mickey's age. how old is Mickey?
Billie is 4 years older than his sister. Seven years ago Billie was 3 times his sisters age. How old is Billie's sister now?