Equations practice problems - page 193 of 250
Number of problems found: 4996
- Number puzzle
Anthony said: I have a natural number x. if I multiply it by four-thirds, I get three times the original. What number did Anthony mean? - Work time
Michael would cut the fence himself in 12 hours. It would take Michael and George 8 hours together. Determine how long it would take for George to do the job. - Number ratio
Dano had a natural number in mind. If he changed this number to a 2:5 ratio, he would get the number 24 smaller. What number did Dano think? - School reward
There were 560 pupils in the school. They rewarded 8% of all boys and 10% of all girls for excellent results. The directorate stated that teachers rewarded 9% of all pupils. How many boys and how many girls attended the school? - Lighthouse
The man, 180 cm tall, walks along the seafront directly to the lighthouse. The male shadow caused by the beacon light is initially 5.4 meters long. When the man approaches the lighthouse by 90 meters, its shadow is shorter by 3 meters. How tall is the lig - Blueberry collection
Peter, Alex, and Clara collected 112 blueberries. Peter collected two more blueberries than Clara. But Alex collected 34 less than Clara. How many did each of them collect? - Exponent equation
Determine the value of x: 2^x = (2-3): 2 - Exponent value Find z if 12^z = 1/144
- Difference of two number
The difference between the two numbers is 20. They are positive integers greater than zero. The first number raised to one-half equals the second number. Determine the two numbers. - Square root puzzle
Find a natural number whose square root is 27 times its square root. - Unknown number
Identify an unknown number whose 1/16 is 10.5, less than half of it. - Equation Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
- Two numbers The sum of the two numbers is 48. 12.5% of the first number equals exactly 4. Find both of these numbers.
- Exponent value Determine y: 32^y = 2
- Number puzzle
Darius said to Miloš: I think a number. If I raise it to the power of one-fourth and then multiply by 3, I get its square root. Find the unknown number that is greater than zero and belongs to the set of positive integers. - Root equation
We have 2 numbers. If we multiplied the first number's third root by the second number's square root, we would get the number 18. Determine these 2 numbers. Calculate only the integer solution if the problem has infinitely many solutions in the set of rea - Exponent value
Determine what number equals z in the expression 3^z = 1/243 - Exponent value Determine what y equals in the expression 5^y = 1/25
- Number calculation
Specify a number that is 61% less than 10². - Rectangle Calculate the area of the rectangle if its length is 12 cm longer than its width and length is equal to the square of its width.
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