ICSE Class 7 Answered

$begin mathsize 12px style straight A space labourer space is space engaged space for space 20 space days space on space the space condition space that space he space will space receive space Rs. space 80 space for space each space day space he space works space and space will space be space fined Rs. space 6 space for space each space day space he space is space absent. space If space he space recieves space Rs. space 829 space in space all comma space for space how space many space days space did space he space remain space absent ? end style$ Answer this question

Asked by Topperlearning User | 20 Sep, 2016, 11:07: AM

Expert Answer

$begin mathsize 12px style Total space amount space received equals space Rs. space 826 Total space period space equals space 20 space days Let space the space number space of space days space he space remainder space absent space equals space straight x space days then space the space number space of space days space he space he space worked space equals space left parenthesis 20 space minus space straight x right parenthesis space days According space to space the space condition comma left parenthesis 20 space minus space straight x right parenthesis space cross times space 80 space minus space straight x space cross times space 6 equals 826 rightwards double arrow 1600 space minus 80 straight x space minus space 6 straight x space equals 826 rightwards double arrow negative 86 straight x equals negative 774 rightwards double arrow straight x equals 9 Hence comma space the space number space of space days space he space remainder space absent space equals space 9 space days end style$