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There is a pile of cement on the construction site. After three eighths of it was used, 26 tons of cement was transported. This pile of cement is one sixth more than the original one. How many tons of cement was there in the original pile?
It used to be x tons, 5x / 8 + 26 = 7x / 6, 15x + 26 * 24 = 28x, x = 48
A pile of cement, the first time to use half of it, the second time to use the remaining one-third, three times to use the remaining quarter, according to this, after 24 times
There are still 10 tons left. How many tons of cement is there?
For a pile of cement, half of it will be used for the first time, the remaining third will be used for the second time, and the remaining quarter will be used for the third time. If this goes on, there will be 10 tons left after 24 times. How many tons of this pile of cement were there?
10÷【（1-1/2）×（1-1/3）×（1-1/4）×…… ×（1-1/25）】
=10÷【1/2×2/3×3/4×…… ×24/25】
=10÷1/25
=250 tons
For a pile of cement, three eighths of it will be used in the first time, and 30 tons will be used in the second time. There are still 15 tons left. How many tons of cement are there in total?
1 - (1 and 3 / 8 + 2 and 1 / 3 - 3 and 3 / 4) Sheng 24
×24
1 - (1 and 3 / 8 + 2 and 1 / 3 - 3 and 3 / 4) × 24
=1-3 / 8 × 24 - 1 / 3 × 24 + 3 / 4 × 24
=1-9-8+18
=2
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