A typical copper ore in Canada contains about 2% of the metal. If the annual production of mined copper is about 700000 t, how much ore must be mined annually?
Money,time,
2% = 700000
THEREFORE 100% = ?
100/2 X 700000 = 35000000t
Money,time,
2% = 700000
THEREFORE 100% = ?
100/2 X 700000 = 35000000t