the ratio of weights of tin and zinc in an alloy is 2:5. How much zinc is there in 31.5g of alloy
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Answered by
56
the amount of zinc = 31.5×5/7
amount of zinc=4.5×5
amount of zinc=22.5g
amount of zinc=4.5×5
amount of zinc=22.5g
nayani:
it is not kg. it is in grams
i have also editef
Answered by
53
Let the amount of tin is 2x
Let the amount of zinc is 5x
5x+2x=31.5
7x=31.5
X=31.5/7=4.5
Zinc=5x=5(4.5)
=22.5 gm
Let the amount of zinc is 5x
5x+2x=31.5
7x=31.5
X=31.5/7=4.5
Zinc=5x=5(4.5)
=22.5 gm
ratio was 2:5 not 3:5
I have edited
okzz
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