Equations practice problems - page 49 of 248
Number of problems found: 4950
- The sum 27
The sum of a geometric progression's second and third terms is six times the fourth term. Find the two possible values of the common ratio. - Cube tower colors
A tower of red cubes 13/72, blue 25/48, green 516. How many cubes are there in total? - Orchard tree rows
There are 390 trees arranged in rows in the orchard. How many rows are there if each row has the same number of trees greater than 30 and less than 40? - The ages 2
The ages of the two persons differ by 18 years. Twelve years ago, the elder one was 4 times as old as, the younger one. The present age of the elder one is: - Sequence term count
How many terms does the sequence have if a1=4, Sn=589, d=3, n=? - Equation of the circle
Find an equation of the circle whose diameter has endpoints (1,-4) and (3,2). - Instructor team pursuit
On the school ski trip, the team set off from hut A at 9:30 a.m. to hut B at a speed of 2 m/s. Fifteen minutes later, the instructor followed them at a speed of 3 m/s. At what time and distance from cabin A will the instructor catch up with the team? Plea - FX parabola
Determine the equation of the parabola going through the following co-ordinates (1;2), (-1;-2), and (2;7) - Sheep white black
Forty sheep graze in the meadow. There are 4 times more whites than blacks. How many white and how many black sheep are grazing in the meadow? - Almond fat daily
The daily need for fat for a person is 80 g on average. Almonds contain 45% fat. How many grams of almonds would a person have to eat if he wanted to cover his daily need for fats by eating only almonds? - Milk butter fat
Cow's milk contains an average of 3.6% fat. How many liters of milk are needed to make 250 g of butter? Butter contains 82% fat. - Bread apple carbohydrate
Bread contains an average of 52% carbohydrates, and apples have 12% carbohydrates. How many apples weighing 220 g would you have to eat to get as much carbohydrate as 150 g of bread? - Carates
A 5/8 karat diamond was purchased for $1200. What would a similar diamond weigh 1 karat cost? - Solve 17
Solve a reciprocal equation: 18 36/64=9:n - Consecutive integers The sum of three consecutive integers is 228. Find the three consecutive integers.
- The sum 26 The sum of Anna and Ina's ages is 19. In 4 years, Anna will be twice as old as Ina. What are their ages now?
- Sum of 24 The sum of the two numbers is 95. If one exceeds the other by 15, find the numbers.
- Two numbers 14 Two numbers are in the ratio 7:9. If the sum of the numbers is 112, then the larger number is:
- Tom sold
Tom sold 75% of his farm, and the number of acres sold was 150. How many acres were there on the farm before selling? - Two numbers 13 Two numbers are in the ratio 5:8. When 2 is added to each, the ratio of the resulting numbers is 2:3. Find the numbers.
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