a necklace is made of gold and copper weighing 65gm. if 2/13 of its is copper find the weight of gold in it.
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Answered by
5
hey! your answer is 55gm
oiko:
solve it plz
can u plz show me the solution
fraction of copper=2/13.fraction of copper in quantity=65gm.÷13=5gm.×2=10gm.quantity of gold in it=65gm.-10gm.=55gm.
thanks
how can 65 can be divided by 13. its in fraction 2/13
because 65 is the whole quantity and quantity of copper is 2parts of its 13 parts.
Answered by
1
if from 65 gms 2/13 is taken out it remains 55gms
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