Answer:
The answer would be 10,000.
Hope this helps!
Well, we can substitute the variables and get :
9(21)+3(3)(21)+12
Then we simplify :
189+189+12
To get :
390 flowers
By the way you might be confused like I was for it said "a cake topping," whilst I assumed all tables had cake toppings which is untrue and I nearly ended up with 630 flowers.
Before Tax Price: $900.00
Sale Tax: 2.50% or $22.50
After Tax Price: $922.50
hope this helps