There were 85 passengers on the bus, some of them got off at station a, and 18 of them got on. At this time, there were 76 passengers on the bus. How many people got off at station a?

There were 85 passengers on the bus, some of them got off at station a, and 18 of them got on. At this time, there were 76 passengers on the bus. How many people got off at station a?

Set the number of people a stands down to X
85-x+18=76
85-x=76-18
85-x=58
x=85-58
x =27
So here we get x = 27, that is, those who stand at a are 27

First, write the equivalent relation
The school carries out tree planting activities. Class 1 plants 40 trees, 25% more than Class 2. How many trees does class 2 plant
Note: don't forget to write the equivalent relation, the solution should not be equation, the formula should be calculation, the process should be unit
Try to be correct
A good answer, a quick answer

(1) Tree planting in the second class + tree planting in the second class × 25% = tree planting in the first class
40 (1 + 25%) = 40 (125%) = 32 (trees)