Grade - math word problems - page 130 of 876
Number of problems found: 17505
- Decrease 80441
By what percent does a cube's volume decrease if its edge length is reduced by a quarter? - Contains 80440
Cow's milk contains an average of 3.6% fat. How many liters of milk are needed to make 250g of butter? Butter contains 82% fat. - IQR and range
The times spent in minutes by 20 people waiting in a queue at the bank for a teller were: 3.4, 2.1, 3.8, 2.2, 4.5, 1.4, 0,0, 1.6, 4.8, 1.5, 1.9, 0, 3.6, 5.2, 2.7, 3.0, 0.8, 3.8, 5.2, Find the range and interquartile range of the waiting times. - One-fifth 80438
By what percent does the area of a square increase if its perimeter increases by one-fifth?
- Fertilized 80437
Nitric lime contains an average of 19% nitrogen and 55% calcium oxide. How many grams of nitrogen per 1 m² if we bought a 25 kg package and thereby evenly fertilized a garden of 12 a? - Rectangular 80436
The longer dimension of the rectangular plot was reduced by one-fifth, and the shorter dimension by 8%. By what percentage did the amount of land decrease? What is the perimeter of the fence now if the original dimensions of the fence were 60m and 25m? - Carbohydrates 80435
Bread contains an average of 52% carbohydrates, and apples have 12% carbohydrates. How many apples weighing 220g would you have to eat to get as much carbohydrate as 150g of bread? - Insurance 80434
The client paid the three partners CZK 90,000 for the completed contract. 40% of this amount was the material and 23% that the remaining amounts were paid for insurance and taxes. They divided the rest of the money in the ratio of 2:3:5. What amount did e - Germination 80433
The germination rate of Hokkaido pumpkin seeds is 92%. The weight of 10 seeds is 1.6 g. How many plants will sprout if we sow 20 g of seeds?
- Joe spends
Joe spends 3 3/4 hours each day of the week doing his homework, but Mirabel spends only 2 hours each day of the week on hers. How long in a week does Joe spend on his homework more than Mirabel? - A cake
A cake has 46 slices. Harry ate 16 slices, and Jack ate 26 slices, Dave ate 0 & Mary ate 1 slice. What fraction of the cake is remaining? - A batsman
A batsman scored the following number of runs in seven innings 35,30,45,65,39,20,40. Find the mean, median, and range. - The mass
The mass of a table is 6.4 kg, and the mass of a chair is 800 g. How many times is the table heavier than the chair? - Z score transformation
Suppose a distribution has a mean µ = 8 and standard deviation σ = 4. What is the value of x if it is z = +1.50?
- Elisa
Elisa got the following grades in five subjects: 87, 88, 89, 88, and 90. What is her average in the five subjects? - Carates
A 5/8 karat diamond was purchased for $1200. What would a similar diamond weigh 1 karat cost? - Proportional relationship 2
If y is proportional to x, and y=150 when x=2.4, what is the value of y when x=3.5 - The cost 8
The cost of 7/2 meters of cloth is $231/4. What is the cost of one meter of cloth? - A toy 2
A toy car costing 500.00 is reduced by 10% in the sale. How much does it cost now?
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