4.5gm of an alloy of copper and zinc contains 3.5gm of copper . What weight of copper will theremail be in 18.9gm of alloy.
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4.5g of alloy-3.5g of Cu
18.9 of alloy - 'X'
so,by cross multiplication we get
X=14.7
check the solution above
18.9 of alloy - 'X'
so,by cross multiplication we get
X=14.7
check the solution above
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