According to the regulations of the Labor Department of a city, since 2009, the average monthly working days of employees are 21 days, and the daily salary of Xiao Zhang in a certain unit is 35 yuan. The overtime salary of rest 13 is twice the original salary. If his actual salary in May is 1085 yuan, how many days did Xiao Zhang work overtime in May? Can you do it for him?

According to the regulations of the Labor Department of a city, since 2009, the average monthly working days of employees are 21 days, and the daily salary of Xiao Zhang in a certain unit is 35 yuan. The overtime salary of rest 13 is twice the original salary. If his actual salary in May is 1085 yuan, how many days did Xiao Zhang work overtime in May? Can you do it for him?

Let's suppose that Xiao Zhang added X-day classes in May. According to the meaning of the question, we get 21 × 35 + 35 × 2x = 1085. The solution is: x = 5. A: Xiao Zhang added 5-day classes in May

Uncle Li's salary last month was 2500 yuan. According to the national regulations, if his salary exceeds 2000 yuan, he should pay 5% personal income tax, and he should pay personal income tax______ Yuan

(2500-2000) × 5% = 500 × 5% = 25 yuan; answer: he should pay personal income tax of 25 yuan

6 out of 18 = 3 out of 9 = 3 divided by []

6/18=3/9=3÷9