Equation + ratio - math problems

Number of problems found: 169

  • 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?
  • What is
    What is the circumference of an isosceles trapezoid with a content of 106.75 cm 2 , the lengths of the sides are in the ratio 1: 3: 2: 1 and the bases are 6.1 cm apart?
  • 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
  • Gas prices 2021
    According to the SPP price list in 2021, the price of natural gas together with its supply is as follows: D1 - we cook. Fix 3.34 euros/month and 0.0479 euros/kWh (1 cubic meter of gas is approximately 10.555 kWh. It is called combustion heat and changes o
  • Straight-line depreciation
    Olsen Inc. Purchased a $580,000 machine to manufacture a specialty tap for electrical equipment. The tap is in high demand and Olsen can sell all that it could manufacture for the next 10 years. To encourage capital investments, the government exempts tax
  • Two numbers
    One number is by 79 larger than the other. If we divide the larger number by the smaller one, we get the ratio 5 and the remainder 11. Determine both numbers.
  • The ratio 4
    The ratio of two number is 5:4 if 40% of the first number is 12, what will be 50% of the second number?
  • 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?
  • The ratio 3
    The ratio of male pupils to female pupils in Gymnasium is 7:9. If there are 512 pupils, how many pupils are male?
  • Boys and girls 8
    In a class of 35 boys and girls that has a ratio of 2:5, 5 boys are absent and 5 boys are present. How many students are present?
  • What is 9
    What is the value of x in the proportion 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
  • Translate
    Translate the following mathematical statement into an algebraic expression or equation. 1. Nine less that the quotient of a number and 3 2. The ratio of 3 and the sum of 4 and an unknown number 3. Eighty is the product of 4 and g 4. The sum of x and 18 i
  • The truncated
    The truncated rotating cone has bases with radii r1 = 8 cm, r2 = 4 cm and height v = 5 cm. What is the volume of the cone from which the truncated cone originated?
  • The inheritance
    Dad originally decided to bequeath the money to his two sons so that they would share it 8: 7 (older and younger). Then he changed his mind and divided the same amount in the ratio 11: 9 (older and younger). This increased the value of the inheritance for
  • A rectangle 4
    A rectangle has area 300 and perimeter 80. what is the ratio of the length and width?
  • Three roads
    The three boys moved from start to finish on three different routes A, B, C, always at the same time. Adam drove road A 1500 m long on a scooter. Blake walked route B 600 m long on foot. Cyril got on a scooter on route C after a 90 m walk, then he left th
  • Railway embankment
    The railway embankment section is an isosceles trapezoid, the sizes of the bases of which are in the ratio 5: 3. The arms have a length of 5 m, and the height of the embankment is 4.8 m. Calculates the size of the embankment section area.
  • Vertical rod
    The vertical one-meter-long rod casts a shadow 150 cm long. Calculate the height of a column whose shadow is 36 m long at the same time.
  • Summands
    We want to split the number 110 into three summands so that the first and the second summand are in the ratio 4: 5, and the third with the first are in ratio 7: 3. Calculate the smallest of the summands.
  • Right triangle - ratio
    The lengths of the legs of the right triangle ABC are in ratio b = 2: 3. The hypotenuse is 10 cm long. Calculate the lengths of the legs of that triangle.

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