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There are 5400 tons of coal in a pile. Two fifths of the coal will be used in the first month, and the remaining five eighths will be used in the second month. How many tons are left?
And 1215t 5400 times (5 / 1-2) equals 3240, and 3240 times (8 / 1-3) equals 1215
The school bought a pile of coal, which consumed two fifths of the total amount in November and nine tons in December. In two months, it consumed a total of 17 tons. How many tons of this pile of coal?
(17-9)÷2/5
=8÷2/5
=20 tons
There are 20 tons of coal in this pile
The canteen transported 94 tons of coal, 13 tons in the first week and 35 tons in the second week. How many tons in two weeks?
94 × 13 + 35, = 34 + 35, = 2720 tons; a: 2720 tons in two weeks
RELATED INFORMATIONS
- 1. The canteen transported 94 tons of coal, one ton in the first week, and how many tons in the second week shared the 23 tons of Coal Transported?
- 2. There is a pile of coal, two fifths of which are carried away on the first day, three fourths of which are carried away on the second day, and a few fractions of which are carried away on the second day
- 3. A pile of coal weighs 4 tons. It takes 15 tons, and there is still a lot left______ Tons. If you take another 15 tons, there's still left______ Tons
- 4. There is a ton of coal in a factory. Two thirds of it is used and four fifths of it is left. How many tons of coal is there
- 5. For a pile of coal, 52 tons were transported in the first time, accounting for 2 / 9 of this pile of coal. 10% of this pile of coal was transported in the second time. How many tons were transported in the second time? Practical questions
- 6. There are 4500 tons of coal in pile a, B and C. when 20 tons are taken out of pile a and put into pile B, and 30 tons are taken out of pile C and put into pile B, the quality of coal in pile a is less than that in pile B One eighth of the coal in pile C is two seventh more than that in pile A. how many tons of coal were there in pile a, B and C
- 7. There are 150 tons of coal in pile a, pile B and pile C. after pile B borrowed 20 tons from pile a, it lent 35 tons to pile C. This means that the three piles of coal are exactly the same. How many tons of coal in pile a? How many tons of reactor B? How many tons of reactor C?
- 8. Divide 7 kg of apples into 10 parts on average. How many parts of these apples are each and how many kilograms are each?
- 9. Apple is 8 / 3 of the weight of pear, which is a fraction of the total weight, pear is a fraction of the total weight
- 10. Apple is 1 / 5 more than pear. How many times is the weight of apple? How many times is the weight of pear?
- 11. There are two piles of coal. A is 94 tons, B is 138 tons. Each day 9 tons are transported away. After a few days, the remaining coal of B is three times that of A
- 12. There is a pile of coal that consumes 1 / 5 of the total amount in the first time, 3 / 10 of the total amount in the second time, and the total amount in the second time is more than that in the first time The () of the total is shared twice, and the () of the total is useless
- 13. For a pile of coal, one fifth of the total amount is used, another one fifth of a ton is used, and one fifth of a ton is left. How many tons of coal are there?
- 14. Party A and Party B have 260 kg of oil in total. Party a poured 20% of the oil to Party B. after pouring, the ratio of oil between Party A and Party B was 6:7, and Party A had several thousand grams of oil?
- 15. The actual coal consumption of the sixth grade math problem is 7 / 9 of the original planned coal consumption
- 16. 【1】 Canteen shipped 4 / 5 tons of coal, burning some after the remaining 1 / 5, how many tons 【2】 Canteen transported 4 / 5 tons of coal, burned 2 / 5, burned 1 / 4, how many tons are left. [3] canteen transported 4 / 5 tons of coal, burned 2 / 5, burned 1 / 4, how many tons are left. [4] canteen transported 4 / 5 tons of coal, burned 1 / 4, how many tons are left. Quick, thanks, urgent, accurate
- 17. After 72% of the coal is used up, 180 tons of coal is transported in. At this time, it is 8% more than the original. How many tons of coal was there? How many tons are there now? The key point is to seek "now". Originally, I worked it out I have an example here. I know the result, but the understanding of the process is still vague, For example: from place a to place B, the fast train takes 5 hours and the slow train takes 8 hours. What percentage of the speed of the fast train is that of the slow train? What percentage of the speed of the slow train is slower than that of the fast train?
- 18. There is a pile of coal. After 40% of the total coal is used up, another 30 tons are transported. At this time, the amount of coal is 20% more than the original coal. How many tons of this pile of coal are there emergency
- 19. Twenty five percent of a pile of coal was used up, and then 18 tons of coal came in, five percent more than before. How much coal was there?
- 20. 6, a and B two cement heap, originally a pile of cement is B pile, if from the pile of 6 bags to a pile, a pile of cement is B pile, the original total. 6, a and B two cement heap, originally a pile of cement is the 5/7 of B pile, if the 6 piles of piles from the B pile to a pile, a pile of cement is the 4/5 of the pile.