1, 3750 yuan 1500 divided by 40%=3750.

2. What are the other expenses? 3750 times 20%=750 yuan.

Second,

1, 12 divided by 4/5 =1616 =10.

2.( 1)8 questions 10x-(10+6) (10-x) x = 8 (2) 4 questions10 times12-/kloc.

3, 63/(5+4) times 5 = Team A = 35km 7 times 4 = Team = 28km.

4,40 times (1+3/5)=64

5.5X+2(50-X)= 199 X=33, so there are 33 in 5 yuan and 50-33 in 2 yuan =17.

Third, you can't do it without charts.

4. Right or wrong of 1 to 7.

Five, 1, the fourth cup. The sugar content of the first cup is 12%, the second and third cups are 10%, and the fourth cup is 12.5%.

2,3 divided by 3/5=5 bottles

3. Circumference 3. 14 times 2 times 1 = 6.28cm, area 3. 14 times1square = 3.14cm2.

5. Circumference: 3. 14 times 50 times 2 divided by 12= about 268cm Area: about 3. 14 times 50 divided by 12 is about 65cm.

6,6/2 = 3 laps