Question

a road is 4 km 800 m long if tree are planted both it's side at interval of 9.6 m how many tree were planted

Answer 1

first tree eill be planted at 0 distsnce ftom beginning
from here, another (4800/9.6) trees eill be there on one side.
therefore, (1+500) = 501 trees on one sidr.
totl trees will be 2×501 = 1002
therefore, total trees eill be 1002.

Answer 2

4×1000=4000m
4000+800=4800
4800÷9.6=500
the trees planted both side so that
500×2=1000