Basic operations and concepts - math word problems - page 44 of 332

Number of problems found: 6632

The piglet
The weight of the piglet regularly grew by five kilograms for four months. Determine the proportion by weight of the piglet each month if the first weighed 35 kg.
Student instrument percentage
Of the 30 students in the class, two-fifths are boys. A quarter of them are learning to play a musical instrument. 6 girls also play it. What percentage of students in this class do not play any musical instrument?
Water percent
A 15 g sample of the substance contains 70% water. After drying, the substance reduced its weight to 9 g. What percentage of water is now in the sample?
Brass
Brass is an alloy of copper and zinc in a ratio of 3:2. How many grams does a component that requires 270 g of copper weigh?
Drying
The raw wood beam weighs 85 kg. It is calculated that drying will reduce its weight in a ratio of 5:6. What will be the weight of this beam after drying?
Class girl percentage
In the 7 A class, the ratio of boys to girls is 2:3. What percentage of the class are girls?
IPhone eshop
An e-shop employee has lost some sales records and cannot calculate the ratio by which the number of iPhones sold increased compared to last year. Help him calculate this ratio, knowing that the ratio of iPhones sold is proportional to the ratio of tablet
Defective product standard
The factory sets a standard that 2% of products may be defective. Last week, out of 1,250 products, 32 were defective. By how many defective products was the standard exceeded?
Cllub flag
The children had the club flag sewn on. The red color covered 2/20 of the flag's total area, the blue area a fifth, and the yellow 19% of the entire area. What percent is the green area occupied?
City map distance
The cities of Košice and Prešov are 39.5 km apart. What will be their distance on a map with a scale of 1:5000000?
Boy percentage calculation
The school has a total of 76 pupils in the 7th grade. There are 34 girls. What percentage of boys go to 7th grade?
Numbers and digits
How many digits are in the numbers 1 to 100?
Price reduction
The product is sold for 360 CZK, and the sales profit is 30%. If I reduce the product's price by 10%, what percentage will the sales profit be reduced?
City plan
The city planned to repair the highway section for 20 hours. Workers reduced this time by 20%. How long did the repair take? (express in hours and minutes)
Theater performance attendance
A theatre performance was attended by 258 students who paid €129 in total. How many students would need to attend for the ticket revenue to reach €150?
Steps - longer and shorter
The daughter's step measures 50 cm, and the father's step measures 70 cm. The daughter counted 294 steps on the measured section. How many steps will her father take in the same section?
Fabric payment calculation
We paid 99 euros for 8 meters of fabric. How much do we pay for 9.5 meters of the same substance?
Bus ticket collection
The bus driver collected 17.5 euros for 25 adult bus tickets. How many euros will 36 adult passengers pay?
Production increase percentage
The company produced 300 vehicles a day. What percentage did production increase when they made 1,560 vehicles in 5 days?
Plums
By drying 3 kg of fresh plums, we obtained 750 g of dried plums. How many kilograms of fresh plums need to be dried if we want 1.5 kg of dried plums?

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