The least common multiple of 18 and 30 is (90)
The ratio of two out of seven (notice the ratio) is 2: 7.
The original price of a dress is 880 yuan. What's the current price after a 60% discount? 880*0.4=352.
The score of 23/4 is between the following two positive integers (5, 6)
(1) How much after-tax interest can Xiao Ming get after maturity?
2000*0.2%* 12( 1-20%)=38.4
(2) In the second year, Xiao Ming will invest in the case of the first year and do business. By the end of the year, he will get the principal and interest and 2446.08 yuan, and ask Xiao Ming about the profit rate of this business.
2000+38.4=2038.4
(2446.08-2038.4)/2038.4=0.2, with a profit rate of 20%.
(1) How much was the house price per square meter in the second half of 2006?
3200*( 1- 1/ 16)=3000
2) When buying a house, the deed tax of 65438+ 0.5% of the total house price shall be paid. How much should someone pay for a 100 square meter house in the second half of 2006?
3000* 100*( 1+ 1.5%)=304500
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