salman0o67 salman0o67

04-06-2017
Mathematics

contestada

Alloys C and D are composed of metals X and Y in the ratios 6:3 and 5:7 respectively by weight. How many kg of X must be melted along with 30 kg of alloy C and 65 kg of alloy D so as to produce a new alloy containing 50% by weight of X?

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hannahbanannah27 hannahbanannah27

14-06-2017

tbh i dont remember how to do ratios sorry

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