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?