Answer:
147
Step-by-step explanation:
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Answer:
Step-by-step explanation:
Given
no of houses that can be served by water is directly Proportional to the square of diameter
where k =constant
10 cm diameter can supply 40 houses
-----------1
For d=30 cm Pipe
-------------2
divide 1 & 2
(b)for N=1440 houses
----------------3
(2x - 1) + 2 > x + 1
2x + 1 > x + 1 : Simplifying
x + 1 > 1 : Subtraction property of inequality
x > 0 : Subtraction property of inequality