HELP PLEASE!!!
Copper costs £5 per kg.
Zinc costs £3.20 per kg.
Copper and zinc are m...
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Mathematics, 05.12.2021 01:10 babyjulie61
HELP PLEASE!!!
Copper costs £5 per kg.
Zinc costs £3.20 per kg.
Copper and zinc are mixed in the ratio 4:1 to make brass.
Work out the cost of 7 kg of brass.
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Answers: 1
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