If class mark is 10 and class width is 6 then find the class

 

Asked by Vvirattiger2003 | 2nd Apr, 2019, 04:53: AM

Expert Answer:

let space the space class space be comma space straight y space minus space straight x
fraction numerator straight x plus straight y over denominator 2 end fraction equals 10
straight x plus straight y equals 20
straight y minus straight x equals 6
2 straight y equals 26
straight y equals 13
straight x equals 7
so space the space class space is space 7 space minus space 13

Answered by Arun | 2nd Apr, 2019, 09:34: AM