Question 1206724



 three free sandwiches for every five sandwiches purchased

{{{5+3=8}}} group of sandwiches 

if Jane ordered {{{619}}} sandwiches, then

{{{619/8=77+3/8 }}} which means Jane ordered {{{77}}} times group of sandwiches and {{{3}}} sandwiches are left to be paid


she paid for {{{77*5+3=388}}} sandwiches and got {{{76*3=231 }}}free

check:

{{{388+231=619}}}