Question

the cost of 7/2kg wheat is rs 63 . what will be the cost of5/4kg wheat​

Answer 1

Answer:

Cost of 1 kg on wheat =

$\frac{7}{2} \div \frac{63}{1} \\ \\ = \frac{7}{2} \times \frac{1}{63} = \frac{1}{2 \times 9} = \frac{1}{18} = Rs.18$

Cost of given amount of wheat=

$\frac{5}{4} \times \frac{18}{1} = \frac{5 \times 9}{2} = \frac{45}{2} = Rs \: 22.5$

Answer 2

Given :

• Cost of 7/2 kg wheat = ₹ 63

To find :

• Cost of 5/4 kg wheat

Solution :

We have to solve this sum using unitary method. First let us find the cost of one kg of wheat and then multiply the result by 5/4.

★ Cost of 1 kg of wheat:-

→ 63/(7/2)

→ ₹ 18

★ Cost of 5/4 kg of wheat:-

→ 18 × 5/4

→ ₹ 22.5

•°• the cost of 5/4 kg of wheat is ₹ 22.5