What weight of aluminium is contained in 220 kg of an alloy containing 16 and a half percent by weight of aluminium?
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Answer:
36.3kg
Step-by-step explanation:
We know that Aluminium is 16.5% of 220kg
so let's convert 220kg into g so that our answer dosen't get too messy (messy in sense that the answer will be in decimals)
220kg= 220*1000g = 220000g
16.5% of it =
165/1000 * 220000
=165/1 * 220
=165*220
=36,300g
=36300/1000kg
= 36.3kg
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