Question

A room is 8m long. The cost of flooring it at 30 rupees/square metre is 1440 rupees. Find its breadth

Answer 1

Answer:

6m

Step-by-step explanation:

area of Flore =1440/30

=48

we know that area of floor is =l×b

: 48=8×b

: b=6m

Answer 2

Answer:

Breadth is 6m

Step-by-step explanation:

$cost \: = 1440$

$cost \: per \: meter \: = 30$

$1440 \div 30 = 48$

$let \: breadth \: be \: x$

$x8 = 48 \\ = x = \frac{48}{8} = 6$

$therefore \: x = 6m$