Equations practice problems - page 173 of 250
Number of problems found: 4996
- How old
The student who asked how many years he answered: "After ten years, I will be twice as old as I was four years ago. How old is the student? - Boys and girls 2 The ratio of boys to girls in the math club is 4:3 . After eight more girls join the club, the ratio becomes 1:1. How many members are there in the club now?
- Money 6
Lita had some money. She spent 1/2 of it on a handbag and 1/3 of the remainder on the blouse. She had 260.00. How much money did she have at the start? - Doctor 2
A doctor noted the Diastolic Blood Pressure (DBP) of a large number of patients. Later, he scrambled the data to keep the privacy of his patients. Based on the scrambled dataset, he finds that the lower inner fence is equal to 50 and the upper inner fence - Unknown number 24
If we add 20, we get 50% of its triple. What is this unknown number? - Two unknowns
Determine the numbers x and y so that half of the number x is 30% of the number, and 60% of y is 90. - Garage
There are two laths in the garage opposite one another: one 2 meters long and the second 3 meters long. They fall against each other and stay against the opposite walls of the garage. Both laths cross 70 cm above the garage floor. How wide is the garage? - Unknown number If we increase the unknown number by 4%, we get 780. Determine the unknown number.
- If-then equation
If 5x - 17 = -x + 7, then x = - Angles
In the triangle ABC, the ratio of angles is α:β = 4:5. The angle γ is 36°. How big are the angles α and β? - Two ages
Gabrielle is nine years younger than Mikhail. The sum of their ages is 87. What is Mikhail's age? - Tickets 3
A total of 645 tickets were sold for the school play. They were either adult tickets or student tickets. The school sold 55 fewer student tickets than adult tickets. How many adult tickets were sold? - Sale off 2
A pair of blue jeans went on sale. After a 30% reduction, the pants cost $35. How much did the jeans cost before the price reduction? - Variable
Find variable P: PP plus P x P plus P = 160 - Matrix columns
How many columns does a rectangular matrix contain, which contains 45 elements, and the number of its columns is five times larger than the number of its rows? - Years
Susan is three years old. She will be as old as Theodore is now when Theodore is 11. How old is Teodor today? - Isosceles trapezoid
Calculate the area of an isosceles trapezoid whose bases are at a ratio of 5:3. The arm is 6 cm long and 4 cm high. - Wine
A bottle of wine costs 21 euros, and wine is 20 times more expensive than a bottle. How much does a bottle cost? - Adam and Ben
When Ben reaches Adam's current age, Adam will be 23 years old. When Adam was Ben's current age, Ben was 2 years old. How old are Ben and Adam today? - Three granaries
Three granaries hold 7,800 metric cents (q) of grain. In the first, 70 tonnes of grain was more than the second, and in the third, it was 120 tonnes less than in the second. How many grains were in each granary?
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