Answer:
$6000
Step-by-step explanation:
let's find the unit rate first
we know that 780 is 13% of all his sales so what we can do is find the unit rate
780/13=60 so 1% of all the money is $60
Now we just do simple multiplication; 60*100=6000
So the original sale was $6000
Hope this helped, have a good day!
