Question

how to getThe cost of 7 kilogram rice and 4 kilogram sugar is 370 rupees. The cost of 7 kilogram

rice and 2 kilogram sugar is 290 rupees .What is the cost of one kilogram rice ?

What is the cost of one kilogram sugar ?​

Answer 1

Answer: Cost of 1kg of sugar is Rs. 40

Answer 2

Step-by-step explanation:

4 kilogram sugar=Rs 370

let sugar be x and cost be y

y=k×x

370=k×4

=>370/4

=>92.5 rupees

Therefore cost of 1 kg sugar = 92.5

Equation of variation is y=92.5×x

7 kg sugar=?

so,7×92.5= 647.5 rupees.

2 kg rice = 290

Then 290=k×2

k=290/2

k=145 rupees

Therefore,cost of 1 kg rice =145 rupees

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