Q.4a Ka Yan Company had a capital of $180 000 at the beginning of the year.In the frist 5 months, the company made a loss of $ 40 000 each month.Afterwards, it made a profit of $ 15 000 each month.Kin On Company had a capital of $ 200 000 at the beginning of the year.In the frist 3 month, the company made a profit of $ 5 000 each month.Afterwards, it made a loss of $30 000each month.
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更新1:
﹡因不夠位(500字) Q.4a Kan Lun Company had a capital of $ 220 000 at the beginning of the year.At the end of August, its capital was the same as that of Kin On Company.If the profit/loss made by Kam Lun Company was the same each month, what was the profit/loss made each month?
更新2:
Q.4b For the electricity bill, water bill andgas bill received last month, Mr. Ho paid $ 1 000 more on the electricity bill than on the water bill, and the water bill was $ 160 less than 2 times the gas bill.If Mr. Ho paid a total amount of $ 2 080, how much was the electricity bill ?
