Equations with Fractions problems - page 10 of 42
Number of problems found: 827
- Determine 73454
The volume of the cut cone is V = 38000π cm³. The radius of the lower base is 10 cm larger than the radius of the upper base. Determine the radius of the base if height v = 60 cm. - The probability
The probability that a life bulb will have a lifetime of more than 682 hours is 0.9788. The probability that a bulb will have a lifetime of more than 703 hours is 0.0051. Find the probability that a bulb will last for more than 648 hours. - 5 times
Find an unknown number; if five times as large as 110 is 1/2 of what number? - A man 5
A man secured a loan from a bank and used 1/4 of it for a building project and 1/3 of it for a farm, and 15000 was left. How much did the man secure from the bank?
- Adjusting 72554
Two working groups are adjusting the park. The first group would do the work in 15 days, and the second in 25 days. How many days will they do the work together? - Arithmetic 72544
The arithmetic mean of two numbers is 12. The first number is 5. What is the value of the second number? - Relatively 71994
The two numbers are in a relatively 3: 7 ratio. Specify a smaller number if the value of the larger number is 21. - An equivalent
An equilateral triangle has the same perimeter as a rectangle whose sides are b and h (b > h). Considering that the area of the triangle is three times the area of the rectangle. What is the value of b/h? - Something 71734
The teacher enters the class. Half of the pupils are looking for something, a third pass, and five are sitting. How many students are in the class?
- Originally 71464
The father originally wanted to divide the financial amount between his sons in the ratio of 7:6. However, he then split it at 6:5 (in the same order). One of the sons got angry that he should have received 120 euros more. How many euros did each son rece - Add to subtracting
Solve a simple equation with fractions: n-1/6=1/2 - Quarter of unknown number
If we subtract a quarter of a number from the number 12, we get the number -5. What's that number? - Apartment 71114
A father and son paint the apartment together in 6 hours. My father would paint the apartment in 9 hours. In how many hours would the son paint the apartment himself? - Knitting a scarf
Rebecca is knitting a scarf. She runs out of yarn when the scarf is 1 1/2 feet long, which is ⅔ of the length she wants to make. How long is the scarf when finished? Write a multiplication and division equation to represent this situation.
- Calculate 70804
The garden is a right triangle fenced with a 364 m fence length. The shorter slope of the triangle is 26 m long. Calculate the area of this garden. - Peter 70794
Peter is x years old. Juraj is 2/5 older than Peter. They are 72 years old in total. How old is Peter, and how old is Juraj? - Combinations 70714
If we increase the number of elements by 1, the number of combinations of the third class without repetitions increases by 10. How many elements do we have? - Quadrilateral 70294
The edge lengths of a quadrilateral prism are in the ratio a: b: c = 2:4:5. The surface of the prism is 57 cm². Calculate the volume. - Kilometers 70234
We're going to Grandma's. We have already driven 30 km. We have 1/7 of the way ahead of us. How many kilometers is Grandma from us?
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