The price of a computer is 4800 yuan, which is 2000 yuan lower than the original price. How much lower?
2000 △ 4800 + 2000, = 2000 △ 6800, ≈ 29.41%; a: decreased by 29.41%
A color TV used to cost 1200 yuan, but now it's 1 / 5 cheaper than before. How much cheaper is it?
1200×(1÷5)=1200×0.2=240
The price of a TV set is 20% lower than the original price, which is 360 yuan cheaper than the original price. How much is the original price of this TV set
The price has been reduced by 3 / 20 and 360 yuan
Therefore, the original price = 360 (3 / 20) = 2400 yuan
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