Mean - math word problems - page 33 of 39
Number of problems found: 773
- Number puzzle
I mean the number. If I reduce it by 0.5, then add 1/3, reduce the sum by 2/5, and increase the difference by 1/6, I get 0.3. - Christmas trees
The salesman sold Christmas trees: spruce for € 22, pine for € 25, and fir for € 33. In the morning, he had the same number of spruce, fir, and pine. In the evening, he had all the trees sold for € 3,600. How many trees does the day salesman sell? - Work completion
The worker completes the work in 12 days, the second in 10 days. The first worker kicks himself for four days, then the second worker comes. How long will it take to dig? - Work together
Michael and Dorota would do the work together in 2.25 hours. If Dorota had to do it herself, it would have taken her 6 hours longer than Michael. Determine when Dorota will do the work herself and when Michael will do it himself. - Moon
We see the Moon from the perspective angle 28'. At the time of the full Moon, the Moon's radius is 1740 km. Calculate the mean distance of the Moon from the Earth. - Total
In one class, each student collected an average of 20 kg of paper; in the second class, 30 kg; and in the third class, 40 kg. How many kilograms of paper did one student collect on average across all three classes, given that the second class had the same - Car speeds
The distance from Nitra to Ostrava is 257 km. From both places, two cars drove towards each other at the same time. The car from Nitra drove 800 m/h slower than the car from Ostrava. What was the average speed of each car if they met after 150 minutes of - Store stops
Karel always follows the same route to school. If he continues at the store, the journey takes him exactly 10 minutes. If he stops at a store to buy a snack, his journey takes 5 minutes longer. In November 2015, his journey to school took an average of 13 - Trapezoid median
The midsegment of the trapezoid is p = 18.6 cm, and the base a = 29.8 cm. Calculate the size of the other base c. - Number average
The average of the two numbers is 74. One of these numbers is a) 62.5 b) 102 specify the second number - Average temperature
The following temperatures were measured every 6 hours from 6 to 24 hours: -2.2 C, 2.1 C, 5.4 C, 3.9 C, 0.7 C, -1.9 C, -3.8 C. Calculate the average temperature from 6 to 24 hours. - Work time
Josef would do the work himself in 5 hours. Josef and Michael would do the work together in 3.5 hours. Determine how long it would take Michael to do the job independently. - Kerosine and petrol
If 4 liters of petrol containing 15% kerosine are added to another 7 liters of petrol containing 10% kerosine, what percentage of the petrol is kerosine? - Number puzzle
Anthony said: I have a natural number x. if I multiply it by four-thirds, I get three times the original. What number did Anthony mean? - Work time
Michael would cut the fence himself in 12 hours. It would take Michael and George 8 hours together. Determine how long it would take for George to do the job. - Mean
The mean of 50 items for a student's food is 38.6. When checking the work, he found that he had taken one item as 50 to read as 40 correctly in these circumstances. What should the correct arithmetic mean? - Work time
Milos would do the work himself in 5 hours. How much would it take Dan to do the job together in two hours? - Cleaners
Miles would clean the room in 2.5 hours, and Eric would take 10 hours. How long would it take them to clean the room together? - Nuts
Peter has 49 nuts in total. There are three more walnuts than hazelnuts, and two more hazelnuts than almonds. Determine the number of walnuts, hazelnuts, and almonds. - Harmonic and arithmetic means
The local Utah Department of Child Service office wants to project staffing needs based on current social worker assignments. They have the number of cases per social worker for the following staff: Mary: 25 John: 35 Ted: 15 Lisa: 45 Anna: 20 Calculate: a
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