ICSE Class 7 Answered

A man earned Rs. 6640 per month for first 4 months of an year and Rs. 7300 per month for the next 8 month. Find his average monthly income during the year.

Asked by Topperlearning User | 19 Sep, 2016, 09:52: AM

Expert Answer

$Total space amount space for space first space 4 space months space equals space Rs. space 6640 space cross times space 4 space equals Rs. space 26560 Total space amount space for space next space 8 space months space equals space Rs. space 7300 space cross times space 8 space equals Rs. space 58400 therefore Total space amount space for space straight a space year space equals space Rs. space 26560 space plus space Rs. space 58400 space equals space Rs. space 84960 therefore Average space income space during space the space year space equals space 84960 over 12 equals Rs. space 7080 Average space monthly space income space during space the space year space space is space Rs. space 7080.$