Answer:
The total sales for that day was $999
Step-by-step explanation:
Remember that
[tex]6\%=6/100=0.06[/tex]
Let
x ----> the total sales in a day
we know that
the total earned in a day is equal to $80 plus the total sales multiplied by 0.06
so
The linear equation that model this situation is
[tex]139.94=80+0.06x[/tex]
solve for x
[tex]0.06x=139.94-80\\0.06x=59.94\\x=999[/tex]
therefore
The total sales for that day was $999