Homework Help: Math

Posted by CrissyXD on Tuesday, February 28, 2012 at 2:54am.

a) Maria collects stamps. During a Philatelic (stamp) show and sale she increased the number of stamps in her collection by 3% when she bought 24 stamps. How many stamps did she have in her collection after she added the 24 new ones?

b) In an 'End of Lease' sale the price of all items in the shop were reduced by 20%. A further 10% discount was given to any customers who paid cash. Barbara paid $360 cash for a lounge suite in the sale. What was the original price of this lounge suite before the 'End of Lease' sale?

Math - Eh, Tuesday, February 28, 2012 at 4:05am
first you find out what 24 is 1% of which you just multiply 24 by 100 . then you divide that by 2400 by 3 and you get 800. 24 is 3% of 800. break down this method and solve you second problem. 360 is 70% of what the original price is.

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