He made $40 those 5 days.
8•5=40
1.BD=AC
AC^2=(9^2)+(6^2)-2(9)(6)COS115
AC^2=117-108COS115
AC=√71.358
AC=8.447//
Well you know how many shirts are sold in two days. so first find out how many in one. so....... 12/2 is 6 so the store sells 6 per day. Multiply this number by 8 to get 48!
Well make sure you work on your math skills..... i love math and i love helping so i'm helping you :) have a blessed day