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1 answer:
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The original price when Mr. Razali bought the laptop was $2500
Working backwards to solve the problem
If Mr. Azmi lost 20% when he sold the laptop for 2400, that means that he sold it for 80% of what he paid. If 2400 is 80% of what he paid, then to find out what he paid for it you would use this equation to determine what 100% would be:
cross multiply to get:
240000 = 80x
3000 = x
Mr. Azmi bought the laptop for $3000
Mr. Razali sold the laptop for a profit of 20%, which means he sold it for 120% of what he paid for it. To determine how much he bought it for we would use this equation:
cross multiply to get:
120x = 300000
x = 2500
Mr. Razali initially bought the laptop for $2500
Working backwards to solve the problem
If Mr. Azmi lost 20% when he sold the laptop for 2400, that means that he sold it for 80% of what he paid. If 2400 is 80% of what he paid, then to find out what he paid for it you would use this equation to determine what 100% would be:
cross multiply to get:
240000 = 80x
3000 = x
Mr. Azmi bought the laptop for $3000
Mr. Razali sold the laptop for a profit of 20%, which means he sold it for 120% of what he paid for it. To determine how much he bought it for we would use this equation:
cross multiply to get:
120x = 300000
x = 2500
Mr. Razali initially bought the laptop for $2500