i need help with this question
i need help with this question
the second side of a triangle is twice the length of the first. the third side is 3 more than the first. find the three side if the perimeter is 31.
It takes 20 minutes to fill a wading pool. The pool has developed a leak through which it will empty in 30 minutes. If the hole is not fixed, how long will it take to fill the wading pool?
How many milliliters of vinegar must be added to 20 milliliters of a 10%-vinegar solution to make it a 25%-vinegar solution?
One kind of candy sells for 89 cents per kilogram. Another sells for $1.10 per kilogram. How many kilograms of each kind will need to be used for 30 kilograms of a mixture to sell for 96 cents per...
Jim had $2.25 in dimes and nickels. If he had twice as many dimes as nickels, how many of each coin did he have?
For a school play, student tickets cost 40 cents and adults tickets were 75 cents. The total receipts for 90 tickets were $46.50. How many of each kind were sold?
downstream at a rate of 1mph. If the trip upstream takes 2 hours longer than the trip downstream, how far is it from point A to point b?
I could use some help with this problem. An artist is making a bird mobile as shown in the figure. The mobile will balance if the product of the weight and distance of the bird figures on one side...
A flower bed is in the shape of a triangle with one side twice the length of th shortest side, and the third side is 11 feet more than the length of the shortest side Find the dimensions if the perimeter...
The sum of two numbers is 33. Twice the first number minus the second number equals 18. Find both numbers.
How far away can a boy ride his bicycle if he rides away at 10 kilometers per hour and returns at 9 kilometers per hour? The entire trip takes 9.5 hours.
Find two numbers whose difference is 10 and 1/6 of whose sum is 11.
The sum of the digits of a two-digit numeral is 8. If the digits are reversed, the new number is 18 greater than the original number. Find the original number.
If A = 1,386 square centimeters and π = 22 , find r. A = Πr2 (Transpose the forumla before solving for r.) ...
A girl saved $13.50 in 6 weeks. At that rate, how long will it take her to save $108?
The units' digit of a two-digit numeral is 5 more than the tens' digit. The number is 3 times the sum of its digits. Find the numeral.
What is the radius of a circle whose area is 616 square meters?
Five pencils and three erasers cost 65 cents. Three pencils and two erasers cost 40 cents. Find the cost of one pencil and the cost of one eraser.
What is Walkers speed in mph What is Bikers speed in mph