➷ Figure out what you would need to do to get from 2.5kg to 1kg
You would need to divide by 2.5
Just divide the cost by this value:
2.5/2.5 = 1
1kg would cost £1.00
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Using unitary method, the cost of 1 kg is £1.
The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
Cost of 2.5 kgs = £2.5
Cost of 1 kg = £2.5/2.5 = £1
Learn more about unitary method here
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