Question

10. An alloy consists of zinc and copper in the ratio
3: 4. How much copper is there in 35 kg of the
alloy?​

Answer 1

Answer:

Ratio=3:4

Sum=7

Total amount=35kg

Amount of Copper=4/7×35=20kg

Answer=20kg

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Answer 2

Step-by-step explanation:

let the amount of zinc is 3x and copper is 4x so,

3x+4x=35

7x =35

x=5 and copper is

4*5= 20 kg