Equations practice problems - page 142 of 242
Number of problems found: 4829
- Bricklayers
Seven bricklayers will build the house in 630 days. How many bricklayers do we need to take after 150 days to complete the building for (additional) 336 days? - Equations - simple
Solve the system of linear equations: x-2y=6 3x+2y=4 - Integer
Find the integer whose distance on the numerical axis from number 1 is two times smaller than the distance from number 6. - Number summand division
Divide the number 111 into three summands so that each is two larger than the previous one. - Eq with reciprocal
Solve the given equation with a reciprocal member: a-6/a+10=4/8 - Land area 2
A land area was divided among the three heirs in the ratio of 5:2:4. If the largest share was 20 hectares of land, what is the total land area? Please show your solution and what kind of proportion it is. - Reciprocal equation 3
Solve a reciprocal equation: 1/2 + 2/3=1/x - Equatiom
Solve equation with negatives: X/(-5) + 2 = -9 - Diofant equation
250x + 120y = 5640 - Peroxide
How many ml should we pour 30% of peroxide (H2O2) into 100ml H2O to give a 20% solution? - Equation 29 Solve the next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 )
- Simple equation 5 Solve the equation with fractions: X × 3/8 = 1/2
- Cuboid walls
Suppose the areas of three adjacent faces of a cuboid are 8 cm², 18 cm², and 25 cm². Find the volume of the cuboid. - Isosceles triangle
The leg of the isosceles triangle is 5 dm, and its height is 20 cm longer than the base. Calculate base length z. - Flowers 2
Cha cruz has a garden. The ratio of roses to tulips is 2:5, and the ratio of roses to orchids is 7:6. Cha Cruz wonders what the ratio of tulips to orchids is. If Cha Cruz has 183 plants, how many of each kind are there? - Boys to girls
The ratio of boys to girls at a party is 3:5. If six more boys arrived and four girls left the party, the ratio of boys to girls would be 5:6. How many people were at the party initially? - New ratio
The ratio of ducks and chickens in our yard is 2:3, for a total of 30 ducks and chickens. The mother gave 3 of the chickens to our neighbor. What is the new ratio now? - Sphere from tree points
Equation of sphere with three-point (a,0,0), (0, a,0), (0,0, a) and center lies on plane x+y+z=a - My father
My father has a big farm. He planted 6/8 of it with mango trees, 1/2 of the remainder are guava trees, and the remaining 10 trees are santol trees. What is the number of all trees? - Square root 2
If the square root of 3m² +22 and -x = 0, and x=7, what is m?
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