Answer:
5 of the bouquets are Daises.
Step-by-step explanation:
25 in all. 4/5 are Roses.
4/5 = Rose Bouquets 1/5 = Daisy Bouquets
4/5 = 20/25
1/5 = 5/25
So 5 are Daises
A.
-19 9 7
[15 -7 6 ]
-2 1 1
Swapping rows alters the sign of the determinant:
Multiplying a single row by a scalar scales the determinant by the same amount:
Then