Question

The cost of 5 2/5 kg of sugar is ₹101.25
find its cost per
4
kg?​

Answer 1

Answer:

i'm busy so i will just say the method

Step-by-step explanation:

first use unitary method ie, find the cost of 1 kg.

"Unitary method is a method where we find the value of a single unit from the value of multiple units and the value of multiple units from the value of a single unit."

eg: Ron goes to a stationery shop to buy some notebooks. The shopkeeper informs him that 2 notebooks would cost $90. Can you find the cost of 5 notebooks with the help of the unitary method?

Solution:

In this example, the number of books corresponds to the “unit” and the cost of the books corresponds to the “value”. Let's solve it step-wise.

Step 1: First, we will find the cost of 1 notebook. Cost of 1 notebook= Total cost of books/Total number of books= 90/2= 45.

Step 2: Now, we will find the cost of 5 notebooks. Cost of 5 notebooks= Cost of 1 book × Number of books= 45 × 5= 225.