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Answer:
b Php 300,000
Step-by-step explanation:
You need to find the perimeter length of the garden. The perimeter is found by adding all four side of the rectangle.
Perimeter = 600 + 300 + 600 + 300 = 1800 m
Use a ration to find the cost for 1800m of fence.
500 X
------ = --------- cross multiply to solve for x
3m 1800m
3x = 500 x 1800
3x = 900,000
x = 300,000