Question

A 7.5 m long and 4.6 m wide plank of wood is to be painted on both sides. Determine the cost of painting a 0.50 per sq m.

Answer 1

total area to be painted= 7.5×4.6= 34.5 m²

Now the Cost of painting 1m² is 0.50,

Total Coat= 34.5×0.5= 17.25.

Answer is 17.25

Hope this helps :)

Answer 2

$\huge\mathcal{HELLO}$

$\huge\mathfrak{Answer}$------

We know that the area of a rectangle

= $lb$ [ where $l$ is the length and $b$ is the breadth . ]

Given ,

Length = 7.5 m

Breadth = 4.6 m

Therefore ,

The Area = 7.5 × 4.6

= $\bold{34.5}$$m^2$

Given , rate per metre sq . = 0.5 Rs per sq. metre .

Therefore , cost of covering 34.5 metre sq. of area

= 0.5 × 34.5

= $\bold{17.25 .}$

Therefore , the cost = $\bold{Rs.17.25}$

$\huge\mathcal{BE\:BRAINLY}$