Question

Can someone help pleassseeeee

Answer 1

7.5 ft by 30 ft

Explanation:

It's in the question

Scale factor of 5/2

12 * 5/2 = 30 ft

3 * 5/2 = 7.5 ft

7.5ft by 30ft

Answer 2

Answer: 7.5ft and 30ft

Explanation:

The original length is 12ft

Breadth is 3ft

If the poster is expanded by 5/2,

New length will be

5/2×12

=5×6

=30ft

New breadth will be

5/2×3

=15÷2

=7.5ft

The new dimension will be

7.5ft and 30ft