Equations practice problems - page 23 of 247
Number of problems found: 4937
- The sum 31
The sum of two fractions is 13 3/4. Their difference is 8 1/5. What are fractions? - What number
What number must be added to both the numerator and denominator of 3/5 to get 5/6? - The sum 30 The sum of 8 times a number and 5 times another number is 184. The first number minus the second number is -3. What are the numbers?
- The sum 29 The sum of the two numbers is 35.407. If one number is 21.7043, find the other number.
- Five times Five times a number divided by three is ten. What is the number? a.5 b.6 c.7 d.8
- Length and width
The length of a rectangle is 7 cm more than the width. Find the width and length if the perimeter of the rectangle is 78 cm. - A mixed school
In a mixed school, 5/9 of the pupils are boys. If there are 128 girls, how many pupils are there altogether? - Passenger 18
Passenger and freight trains are operated between stations I and II, where the distance between stations is 16 km. The speed of the passenger trains is 100 km/h, and the speed of the freight trains is 60 km/h for a single-line railway track. The waiting t - The area 3
The area of a rectangle is given by the expression 4x² + 5x -6. What is the length of the rectangle if its width is x+2? - Slope of line
What is the slope of the line that passes through the points: (-2, 4) and (-3, 1)? - Advantageous internet
We had long been using internet from Company A at €17.49 per month after the contract period. We switched to internet from Company B at €11.39 per month, with the condition that a fee of €48.38 is paid in the first month, which includes the installation. - In prima, secunda and tertia
The numbers of children in Class 1, Class 2, and Class 3 are in the ratio 3:4:3. Class 1 and Class 3 together have 12 more children than Class 2. How many children are in Class 1? - MDZ - theater
There are 798 men, women, and children in a theatre. The number of men is twice the number of women. The number of women is twice the number of children. How many men, women, and children are there? - In the middle 2
The number halfway between an unknown number and the number 30 is 12. Determine the unknown number. - Solve R
Solve the equation with brackets: 5 × (2u − 9) − 8 × (0.5 − 3u) = 4 × (7u − 1) − 3 - How many 147
What is the minimum number of consecutive natural numbers from 1 to n that must be added so that their sum exceeds 1,000,000? - Quarter of some number
A quarter of an unknown number, increased by one hundred, equals fifty. What is the unknown number? - Jewellery-maker
A jewellery-maker threads 5 beads in 20 seconds. A necklace consists of 210 beads, 30 are already threaded. a) Write an equation of the dependence of the number of threaded beads on time (in minutes), during which the jewellery-maker will be threading the - Calculate the cylinder
Calculate the volume of a cylinder, given: S = 144π cm² height = 6 cm - Sale of a bill of exchange
A businessman bought a bill of exchange 6 months before its maturity. After deducting interest at an annual rate of 10%, he paid €19,000 for it. How much interest was deducted from the face value of the bill?
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