A 150 ml bottle of shampoo cost $3.85. What is the cost of a 100 ml bottle of shampoo?

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22-10-2015
Mathematics

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A 150 ml bottle of shampoo cost $3.85. What is the cost of a 100 ml bottle of shampoo?

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MudkipzFTW MudkipzFTW · Answer 1 · 2015-10-22T04:48:48+02:00

MudkipzFTW MudkipzFTW

22-10-2015

First of all, you need to calculate a 300ml bottle of shampoo, because it will be easier. 3.85 x 2=$7.70 Now you use $7.70 and divided by 3. 7.70/3 =$2.60 (rounded up).
Therefore, a 100ml bottle of shampoo costs $2.60.

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