Area of rectangle ABCD = length × breadth
= (150 × 100) m2
= 15000 m2
And area of rectangle AGFE = length × breadth
= (270 × 180) m2
= 48600 m2
∴ Total area of the park = 15000 m2 + 48600 m2
= 63600 m2
Number of packets of fertilizer used for 300 m2 = 1
∴ Number of packets of fertilizer used for
63600 m2 = 63600/300 = 212