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The cost of 16 bags of cement, each weight 1.5kg,is $672. Find the cost of 18 bags of the same,each weight 2kg?
9 years ago

Answers

Bosnian
16 baqgs * 1.5 kg = 24 kg

$672 / 24 kg = $28 / kg


18 bags * 2 kg = 36 kg

36 kg * $28 / kg = $ 1,008


OR

16 * 1.5 / ( 18 * 2 ) = 672 / x

24 / 36 = 672 / x

2 * 12 / ( 3 * 12 ) = 672 / x

2 / 3 = 672 / x

2 * x = 3 * 672

2 x = 2,016

x = 2,016 / 2

x = $ 1,008
9 years ago

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