Fractions + ratio - practice problems - page 12 of 25
Number of problems found: 495
- Calculated 80204
Fill in the place of x with such a number that the equality applies. 5/6=15/x How can this be calculated? Thank you - Individual 64124
The line is divided into two parts in a ratio of 4:7. The difference in lengths of individual parts is 18 cm. What is the length of the line in cm? - Divide 44261
Divide the number 20 into two parts so that the first part is four times larger than the second. What is the ratio? - Boys and girls 8
In a class of 35 boys and girls with a ratio of 2:5. 5 boys are absent, and five boys are present. How many students are present?
- Ducats
The king divided the ducats into his three sons in a ratio of 2:5:4. How many ducats the king divided them if the youngest received 260 ducats, the least of all sons? - Unknown number 5
Daniel thinks of an integer. When he change this number at a ratio of 2:5, he got the number 2.8. Determine what number Daniel thinks. - Divided 35011
13300 CZK is divided into three parts. Part 1 is x, part 2 is 2/3 of part 1, and Part 3 is 2/3 of part 2. Find these parts. - Birthdays 9011
Three sisters have birthdays today, and their ages are in the ratio of 2:3:4. In two years, their ages will be in the ratio of 5:7:9. Find what their ages will be in four years. - Yellows 6118
Peter chose balls of two colors. The numbers of yellows and reds were in the ratio of 7:5, and the yellows were six more. How many did he have?
- Sharing money
A certain sum of money is shared in the ratio 2:3:9. If the difference between the first and the second is $40, then the amount of money shared is - Age of family
The age of father and son is in a ratio of 10:3. The age of the father and daughter is in a ratio of 5:2. How old are a father and a son if the daughter is 20? - Five-twelfths 39871
Five-twelfths of the students in the class learn English, a third learn German, a sixth learn French, and two students learn Russian. How many students are in the class, and how many languages are they learning? - The ratio 6
The ratio of cats to dogs is 2 to 5. if there are 35 total animals in the shelter, then how many are dogs? - College
At the college are at 45 rooms, 158 students. Some rooms are triple and some quad. How many triple and quadruple rooms there is if it is all fully occupied?
- 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. - Smaller 3848
Dano had a natural number in mind. If he changed this number in a 2: 5 ratio, he would get the number 24 smaller. What number did Dano think? - Two fifth
Two-fifths of the worker in a factory are men. The rest are women if there are 28 men. How many more women than men are there? - What is 9
What is the value of x in the proportion of 2 and one-fourth over x = 1 and one-half over 3 and three-fifths? 2 and two-fifths 5 and two-fifths 8 and 1 over 10 12 and 3 over 20 - Honza
Honza is 13 years old, and Peter is 21 years old. After how many years are their ages, will they be at a ratio of 7:9?
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