Step-by-step explanation:
Disclaimer* this is what my tutor has taught me and answers could differ*
A 30% of $7,800-
10% of $7,800= 7,800/10= 780
30% of $7,800= 780*3= 2,340
so
$7,800 - $2,340 = $5,460
Hope this helped!
Let me know if there is a mistake in this!
