Question

the cost of making a wooden frame for a pictures at rupees a person is rupees 240 rupees if the length of the picture is 8 cm find its width

Answer 1

width will be 30cm since the cost will be charged per unit area and hence assuming a random variable width =x,area=8x which corresponds to rs.240 ....So 240=8x...Hence width=30

Answer 2

Answer:

7cm

Step-by-step explanation:

Cost of the picture = 240

Rate of framing = 8 per cm

Total cost (2) Rate (/cm)

240

= = 30 cm = 8

Let the width of picture be x.

Perimeter = 2(L + B) = 2(8 + x) Length of the picture as 8 cm

→ 30 = 16+ 2x

30-16 2x =

→ 14 = 2x

→ x = 14/2

x=7.