Answer:
2.5x
Explanation:
Given information for width:
Model: 10 in.
Real: 25 in.
Solve: How much times wider is real than model?
To find this, lets divide 25in. by 10in to find the scale factor.
25/10 = 2.5
2.5
We can verify this by multiplying 10 by 2.5
10 x 2.5 = 25