Question

Alex made a sketch for a poster contest. The sketch measures 4 in. × 5 in. The scale factor from the sketch to the finished poster was 2 in. to 5 in.

What were the dimensions of the poster?

Answer 1

As we know that the
The linear dimensions of the poster are 5/2 those of the sketch.
4*5/2 = 10
5*5/2
=25/2
= 12/5
so from above we conclude that
The poster is 10 x 12.5 incheshope it helps