1 class has 56 students, and the number of students in class 62 is 8% less than that in class 6/kloc-0. 1 How many students are there in the class?

2. Laying gas pipeline. It is planned to lay120m every day and complete the task in 20 days. Because the residents are in a hurry to use it, the superior requires laying 25% more every day, so how many days in advance can the task be completed?

Solution: 56*( 1- 1/8)=49 people.

Solution:120 * 20120 * (1+25%) =16 days.

20- 16=4 days

Finish 4 days ahead of schedule