100

%

2. Multiple choice problem

Compared with August, the water consumption in September is 8%: 1. When 5 grams of salt is dissolved in 95 grams of water, the attendance rate of grade 6 1 class on a certain day is 98%, with 40 students in A and 80 students in B. I didn't attend this class that day.

1

People.

The water consumption in February and September is 2% in August.

Option 1; fill up a vacancy

1:92%

The number of a is less than that of b.

50

%, salt accounts for water.

five

%

3: 108%

2, class ***50 people