Question

A brand of shampoo is available in two different bottles. 900 ml for £5.50400 ml for £2.50 Work out which bottle offers the best value for money. You must show your working.

Answer 1

the 900 ml for £5.50

Explanation:

Given data

900 ml for £5.50

The cost per ml is

= 5.5/900

= £0.0061 per ml

400 ml for £2.50

The cost per ml is

= 2.5/400

= £0.00625 per ml

Hence the 900 ml for £5.50 is the best buy