Question

a picture has 15cm by 2.5cm dimensions a 2.5cm board frame is required to cover it. find the cost of the frame at 1.5per sq cm​

Answer 1

Answer:

Step-by-step explanation:

Since we have given that

Length of a picture = 15 cm

Width of a picture = 2.5 cm

so, Area of a picture is given by

As we have that frame  2.5 cm broad is required to cover it.

So, Length of outer part becomes

Width of outer part becomes

so, Area of outer part is given by

So, Area of frame =Area of outer part - Area of picture

Cost of the frame =$1.50 per sq. cm.

So, Total cost becomes

Hence, Total cost of frame is $168.75