Oranges cost 25 cents for 1/2 kilograms. how much would 8 kilograms of oranges cost?

Here we shall use the unitary method.

We shall first find the cost of 1 kg oranges and then find the cost of 8 kg ornages.

The fraction 1/2 = 0.5

Also 100 cents = $1

So 25 cents = 25/100 = $0.25

The cost of 0.5kg oranges = $0.25

Hence the cost of 1 kg oranges = 2 ×0.5kg shall be

= 2 ×0.25

= $0.50

So the cost of 8 kg oranges

= 8 × 0.50

= $4.00

The cost of 8 kg oranges at 25 cents for half kg shall be $4.00

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