Algebra - math word problems
Number of problems found: 2796
How many rectangles with area 8713 cm2 whose sides is natural numbers are?
- Guess number
With what number should be divided number 9727 to be reduced by 70%?
- Secret number
Determine the secret number n, which reversed decrease by 16.4 if the number increase by 16.4.
The triangle is one outer angle 158°54' and one internal angle 148°. Calculate the other internal angles of a triangle.
- Rectangle SS
Perimeter of a rectangle is 268 cm and its diagonal is 99.3 cm. Determine the dimensions of the rectangle.
Tourist walk at 4.1 km/h. Every 5 km have 20-minute break. How many kilometers passed, when started at 4:40 and finished at 10:30?
Seedcake costs 44 cents. How many minimum seedcakes we must buy that we can pay in cash only whole euros?
- Heron backlaw
Calculate missing side in a triangle with sides 17 and 34 and area 275.
How big is area of circle if its circumference is 80.6 cm?
Jesters hat is shaped by a rotating cone. Calculate how much paper is needed to the cap 54 cm high when the head circumference is 47 cm.
- Quadratic equation
Quadratic equation ? has roots x1 = -26 and x2 = -86. Calculate the coefficients b and c.
- Thrift woman
Calculate how long grandmother will save to new shoes priced 108 euros if save 3 Eur monthly.
Calculate the integer number which, divided by 34 gives 10 and the rest 25.
- Wood in the forest
The amount of wood in the forest was estimated at 6000 m3. How much wood will be in forest after 2 years if the annual growth of wood is 2.5% each year and logging 30 m3 each year?
The population grew in the city in 10 years from 42000 to 54500. What is the average annual percentage increase of population?
- Compound interest
Calculate time when deposit in the bank with interest 2.5% p.a. doubles.
- Loans, loan ...
In Slovakia, launched a short-term non-bank loans, of which few people have their "take" are considered unfavorable. Often, the borrower ends up in a spiral of debt, which takes more and more onerous loan used to repay earlier loans. Calculate how many 9-
Neil has 5-times chestnuts less than Adrian. Together they have 894 chestnuts. How many chestnuts has Neil and Adrian?
- Right triangle
Legs of the right triangle are in the ratio a:b = 2:8. The hypotenuse has a length of 87 cm. Calculate the perimeter and area of the triangle.
- Barrel of oil
Barrel of oil weighs 283 kg. When it mold 26% oil, weighed 216 kg. What is the mass of the empty barrel?