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Answer :
Answer:
180 kg
Step-by-step explanation:
The ratio is
cement : sand : gravel
1 : 3 : 4
If he used 1 kg cement, 3 kg sand, and 4 kg gravel, he'd get 8 kg of concrete.
He wants to make 480 kg of concrete.
480/8 = 60
He needs 60 times more concrete than the numbers in the ratio.
60 * 3 kg = 180 kg
Answer: 180 kg
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Rewritten by : Barada
Answer:
If sand is 3 in the ratio, it is 180kg
Step-by-step explanation:
480/8=60 60 times 3 is 180
