In an alloy of gold and silver the ratio of the amount of gold to the amount of silver is 2:5. What is the weight of gold in the alloy, if there are 80g of silver?

Given :

The ratio of the amount of gold to the amount of silver is 2:5.

To Find :

The weight of gold in the alloy, if there are 80 g of silver.

Solution :

Let, amount of gold is x.

So, the ratio of amount of gold and silver is :

Therefore, the weight of gold in the alloy is 32 g.

Hence, this is the required solution.

32

Step-by-step explanation:

do 80÷5=16 to get unit. Then do 16*2=32

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step-by-step explanation:

1 x=22.52

2: 65/39=604+39x

65x-39x=604

26x=604

x=604/26

×=23.23