Question

an ornament is made of gold and copper and weight 52 grams if 2/13 of it's part is copper find the weight of pure gold
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Answer 1

Answer:

Step-by-step explanation:

given, weight of the ornament is 52gms.

parts of copper in it is= 2/13

so, parts of gld in it is=11/13

weight of gold in the ornament=total weight x parts of gold

                                               =52 x 11/13

                                               =44 gms.

hope it helps....

Answer 2

Answer:

Step-by-step explanation:

TOTAL WEIGHT = 52 GM

WEIGHT OF COPPER = (2/13)52

                                    = 2*52/13

                                    = 2*4

                                    = 8 GM

WEIGHT OF GOLD = 52-8

                                = 44 GM.

HOPE THIS HELPS.