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pringlexavier798
16.07.2020 •
Mathematics
Wooden houses are being built on a concrete base.Each base needs 400 kg of concrete. A cement truck carries 9 tonnes of concrete. How many bases can be laid from one truck load of concrete?
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Ответ:
22.5
Step-by-step explanation:
From the question, we are informed that wooden houses are being built on a concrete base and that each base needs 400 kg of concrete. We are further told that cement truck carries 9 tonnes of concrete.
To calculate the amount of bases that can be laid from one truck load of concrete, we first have to convert the 9 tonnes of concrete to kilogram. It should be noted that:
1000kg = 1 ton
9 tonnes = 9 × 1000 = 9000kg
Since each base needs 400 kg of concrete, the number of bases can be laid from one truck load of concrete will then be:
= 9000kg/400kg
= 22.5 bases
Ответ:
8 months
Step-by-step explanation:
12/3 = 4, 1/3 is 4 so 1/3 + 1/3 = 2/3 or 8