Math, asked by deepak473, 1 year ago

the ratio of weight of tin and zinc in an alloy is 2:5 how much zinc is there in 31.5g of alloy

Answers

Answered by Rushikesh17

9

2:5
2x+5x=31.5
7x=31.5
x=31.5/7
x=4.5

Zn = 2*4.5
Zn is 9 gram

Answered by ramkishore1

4

2:5
2x+5x=31.5
7x=31.5
x=31.5/7
x=4.5

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