Question

the science teacher asked the
students class 7 to make a project on pollution 10 students work on it the work gets finished in 3 day how many students are reported work finishes in 2 day​

Answer 1

Answer:

CONDITION 1 : Let the x1 be students for 3 days, y1 who completed the project.

CONDITION 2 : Let the x2 be the students for 2 days who completed the project.

= x1 = 10 students

= x2 = ?

= y1 = 3 days

= y2 = 2 days

= it is a direct proportional statment :

= x1*y1=x2*y2

= 10*3=x2*2

= 10*3/2=x2

= 15 = x2

Hence, the required students are 15.