Question

The cost (c) of vegetables varies directly as the number (n) of kilograms bought.​

Answer 1

SOLUTION

TO DETERMINE

The expression for

The cost (c) of vegetables varies directly as the number (n) of kilograms bought.

EVALUATION

Here

The cost of vegetables = c and the number of kilograms bought = n

Now it is given that The cost (c) of vegetables varies directly as the number (n) of kilograms bought

So by the given condition

$\sf{c \propto \: n}$

$\implies \sf{c = kn}$

Where k is a variation constant

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