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polet [3.4K]
3 years ago
11

Can someone help pleassseeeee

Mathematics
2 answers:
scoray [572]3 years ago
4 0

Answer: 7.5ft and 30ft

Step-by-step 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

drek231 [11]3 years ago
3 0

Answer:

7.5 ft by 30 ft

Step-by-step 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

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