Answer:
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: 7.5ft and 30ft
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
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