RED Flower each = 20

Blue flower with 5 Petals = 5

Blue flower with 4 Petals = 4

Two yellow flowers = 2

One yellow flower = 1

1] 20 + 20 + 20 = 60

2] 20 + 05 + 05 = 30

3] 05 - 02 = 03

4] 01 + 20 x 04= z

01 + (20 x 04)= z

01 + (80) = z

81 = z

Answer is 81