Basic operations and concepts - math word problems - page 138 of 332
Number of problems found: 6633
- Doubling
The message is spreading that each day has doubled the number of people who know about it. All know a message for 20 days. How long known it, eighth people? - Tare
The gross weight of a shipment is 6278 kg, and its tare is 6.3%. Calculate the net weight of the shipment. - Money
Everyone complains about a lack of money. In reality, there is no shortage of money — only a relative scarcity of goods and services. By what percentage would the prices of all goods and services immediately rise if everyone suddenly had 9 times more mone - Ski double discount
The supermarket reduced the original price of the skis by 20% in January. At the beginning of February, they reduced the new price by another 29%. By what percentage were the skis' costs lower than the original price in February? - Recipe 2
Anna's making muffins! These ingredients make 12 muffins: 3/4 cup of flour 1/2 cup of sugar 1/4 teaspoon salt 1 cup of milk 1/3 teaspoon cinnamon 7 tablespoons butter 2 teaspoons baking powder 1 egg 2 tablespoons brown sugar Anna has an 8-muffin tray. Wha - Flea jumps
Find out where the flea jumps if it jumps from the number: A) -17 by 28 pieces towards larger numbers. B) from the number -9 by 16 divisions towards smaller digits - Ounce
749 calories in a 7 - ounce serving. What is the unit rate? - Stamp exchange
Jano and Peter exchange stamps again. Jano gave Peter 8 marks. However, after the exchange, Jano had 6 fewer marks than Peter. First, find out if Jano got more or less marks from Peter than he gave him. Explain your answer. How many marks did Peter give J - Mushroom risotto
630 g of rice is needed to prepare mushroom risotto for four people. How many boxes of 500 g rice do you have to buy to prepare risotto for 17 people? - Chestnuts
Three divisions of nature protectors participated in the collection of chestnut trees. 1. The division harvested 1250 kg, the second division by a fifth more than the first division and the third division by a sixth more than the second division. Thus, th - Princess
Princess has lost 321 beads, and Prince George is trying to find them. On the first day, he found all but 83 beads. On the second day, he found 68 beads. He found the rest on the third day, but the Princess lost 76. How many beads did Princess have after - Strawberry jam
Friends Marika and Kate decided to prepare strawberry jam together. According to the recipe, they needed 50 g of sugar for 0.5 kg of fruit. How many kilograms of sugar must the friends prepare if they make jam from 2.3 kg of strawberries? - Ratio expressions
Express as a ratio: a/ There are 200 boys and 300 girls in the school. b/ The number of chocolates eaten will triple on Nicholas Day. c/ During the holidays, the number of bus passengers decreased by a quarter. - Bullet game
George, Frank, and Michael played bullets. In the beginning, everyone had the same number. In the first game, George won 4 bullets, and Frank 5 (that means Michael lost nine bullets). Michael won 7 balls in the second game, and Frank lost four. Michael lo - 7th grade pupils
Students researched which winter sport is most popular among their classmates. They found that 2/5 would most like to play hockey, 2/9 prefer skating, 3/10 prefer skiing, and 1/15 do not like any winter sport. What proportion of pupils prefer a sport othe - Metallurgical enterprise
Metallurgical company daily produces 501 tons of cast iron. How many tons of coke does it burn to melt cast iron when 14 tons of cast consumes 10 tons of coke? - Strawberry sugar ratio
An old cookbook states that 250g of gelling sugar should be added to 1.25kg of strawberries when preparing strawberry jam. What is the sugar-to-strawberry ratio? - Percentage calculation examples
Calculate these four examples as percentages: 5% of 650 meters 30% of 18 kg 351% if 9% is 1/3 62.5% if 15% is 0.75 - Network survey percentage
The students surveyed the number of networks on the Internet. 94% used Facebook, 19% used Twitter, and 42% used Google. How many did not use Facebook if the number of respondents was 310? - Sheep bacha division
He had 810 sheep in the herd, and he divided them among the three bachas in such a way that bacha Andrew Dostál got three parts, bacha Kubo got four parts, and bacha Maťo got two parts of sheep. How many sheep did each batch get if all parts were equal?
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