Question

Brass contains copper and zinc in the ratio 2:1. How much ZINC is there in 750 g of brass?

Answer 1

250

Explanation:

copper: zinc : total

2 1 2+1 =3

We have 750 brass

750/3 = 250

Multiply each by 250

copper: zinc : total

2*250 250 3*250

500 250 750