SOLUTION: Packets of washing powder can be bought individually for 2.35 each or in bulk at a rate of 50 packets for 100 dollars. Calculate the savings possible when bulk buying 200 packets.

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Question 316514: Packets of washing powder can be bought individually for 2.35 each or in bulk at a rate of 50 packets for 100 dollars. Calculate the savings possible when bulk buying 200 packets. Express this savings as a percentage of the individual cost of the 200 packets. Give your answer correct to 2 decimal places.
Thank you.
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
individually: (2.35)(200) = 470

in bulk: (200/50)(100) = 400

You save 70 dollars, or 14.89% of $470, the original price.