Math practice for 13 year olds - page 324 of 414
Number of problems found: 8279
- Romans
The Romans managed to capture the druid Panoramix. Obelix wants to free him. He managed to put the jailer to sleep and take from him a bundle with a hundred keys. On the way to Panoramix, Obelix must open six doors. How much time at most does Obelix need - Fuel mileage
You have a 3/8 tank of fuel. Estimate fuel consumption at 6 mpg. Estimate speed at 50 mph. Your fuel tank holds 200 gals. Figure out fuel mileage. - Football season
Dalibor and Adam together scored 97 goals in the season. Adam scored nine goals more than Dalibor. How many goals were scored each? - Blueberries
Mike and Anthony have a total of 1,580 blueberries. Mike and Anthony have them in the ratio of 2:3. Determine how much each of them has. - Spain vs USA
Spain lost to the US by four goals. In the match, the total fell by ten goals. How many goals gave Spain, and how did the United States? - Blackberries
Daniel, Jolana, and Stanley collected 34 blackberries together. Daniel collected eight blackberries more than Jolana, and Jolana 4 more than Stanley. Determine the number of blackberries each collected. - Right triangle
It is given a right triangle angle alpha of 90 degrees the beta angle of 55 degrees c = 10 cm use the Pythagorean theorem to calculate sides a and b - Painting a hut
It is necessary to paint the exterior walls of the hut, whose layout is a rectangle of 6.16 m x 8.78 m wall height is 2.85 meters. The cottage has five rectangular windows; three have dimensions of 1.15 m x 1.32 m and two 0.45 m x 0.96 m. How many m² is n - Alcohol density
4.8g / l a) what is mg / l b) What is per mille if the density of alcohol is 80% of the density of blood (water)? - Football match 4
They lost three goals for the Germans in a football match with Italy. Fell five goals in the match. Determine the number of goals of Italy and Germany. - Percents - easy
How many percent is 432 out of 434? - Water in aquarium
The aquarium cuboid shape with a length of 25 cm and a width of 30 cm is 9 liters of water. Calculate the areas which are wetted with water. - Divisibility
Write all the integers x divisible by seven and eight simultaneously, for which the following applies: 100 < x < 200. - The car
A car travelled the distance from A to B in four hours. If the average speed is increased by 17 km/h, the car covers the same distance one hour sooner. Determine the initial speed of the car and the distance between A and B. - The creek
Workers cleaned the creek within three days. On the first day, cleanse one-fifth of the creek's length; the next day, 40% of the stream's length; and on the third day, 8 km length of the creek. How long is a creek? - Minute
Two boys started from one place. The first went north at a velocity of 3 m/s, and the second to the east with a velocity of 4 m/s. How far apart are they after a minute? - Interst on savings
The bank offers 1.6% interest. How many euros do we have to insert at the beginning if we receive € 15 on the interest? - The deposit
A deposit of € 2,612.5 was placed for one year at an annual rate of 4.5%. After one year, the amount rose to € 2,612.5. Find the initial deposit. - Vintner
How high can a vintner fill the keg with crushed red grapes if these grapes occupy a volume of 20 percent? The keg is cylindrical with a diameter of the base of 1 m and a volume of 9.42 hl. Start from the premise that says that fermentation will fill the - Washing mashine
The family buys a washing machine for 350e. Cash paid 280e. What percentage of the total price must still pay the washer?
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