We are told that 21% of the total cans is 63 cans, therefore
100% of all the cans collected would be.
(63*100)/21=300 cans were collected in all
Answer:
cost of 1 kg of washing powder is $1.2
Step-by-step explanation:
9 kg = $10.80
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cost for 1 kg =
4 / 6 = .66666666...
(.66666666...)^3 =
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0.2962962874
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cubic feet