Question

an alloy contain copper and zinc how much .how much copper is there in 56 kg of alloy

Answer 1

Answer:

Zinc : 15%

Brass : 25%

Copper : 100−25−15=100−40=60%

Now, For 75 Kg of the Alloy will have

75∗

100

60

=45 kg

change the no....

Answer 2

Answer:

Let copper be 9x & zinc be 4x

Copper

⇒

9x=

24

kg

⇒ x=

9

24

Zinc

⇒

4x=

4×

9

24

⇒

10

3

2