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One ton of coal weighs 8.4 tons. One third of the coal is transported away for the first time, and the remaining half is transported away for the second time. How many tons are left
Remaining: 8.4 × (1-1 / 3) × (1-1 / 2)
=8.4×2/3×1/2
=2.8 tons
A pile of coal weighs 8.4 tons. One third of this pile of coal is transported away for the first time, and the remaining half is transported away for the second time. How many tons are left?
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Remaining: 8.4 × (1-1 / 3) × (1-1 / 2)
=8.4×2/3×1/2
=2.8 tons
For a pile of coal, half of it is transported in the first time, and one third of it is transported in the second time. The first time carries 0.9 tons more than the second time. How many tons of coal is there in this pile
5,4 tons
A pile of coal weighs 10 tons. After half of it is used up, another half of it is used up and () tons are left
A pile of coal weighs 10 tons. After half of it is used up, another half of it is used up, leaving (4.5) tons
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