Math, asked by shannonc07, 8 months ago

Brass can be made by mixing copper with zinc in the ratio 7 : 3 by mass. What mass of copper must be mixed with 2.7 kg of zinc?

Answers

Answered by bhari7144

7

Step-by-step explanation:

ratio=7:3

copper=2.7kg

zinc=7÷3×2.7

=6.3

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