Question

the cost of 1.5 kg potatoes is ` 15.75. then 2.20 kg potatoes will cost

Can anybody tell me how to do this ​

Answer 1

The cost of 1.5 kg potatoes is 15.75.
The cost of 1 kg potatoes is 15.75/1.5=10.5.
So, the cost of 2.20 kg potatoes is 10.5*2.20=23.1.
Ans- 23.1

Answer 2

• As per the data given in the question, we have to determine the cost of $2.20kg$ potatoes.

       Given data:- Cost price of $1.5kg$ potatoes=$15.75.$

       To find:- the cost of $2.20kg$ potatoes.

       Solution:-

• As per the question, we know that cost price of $1.5kg$ potatoes of $15.75.$
• Firstly, we have to calculate the per kg cost of potatoes.

        So, the price of per kg potato will be

       $\because$ The cost of $1.5kg$ potatoes is $15.75.$

       $\therefore$ cost of per kg potato will $\frac{15.75}{1.50}=10.5.$

        So, the cost of $2.20kg$ will be

        $\Rightarrow 2.20\times10.5=23.10.$

        Hence, the cost of $2.20kg$ potatoes will $23.10.$