Metal ‘M’ is 13 times heavier than copper while metal ‘B’ is 8 times heavier than copper. In what proportion must these two metals be mixed to obtain an alloy which is 11 times heavier than copper?
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Answer:
3:2
Explanation:
13x + 8y = 11x + 11y
2x = 3y
x/y = 3/2
x:y = 3:2
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