Question 498571
The area of the smaller rectangle is 160 cm sq.
2250/160 = 14.065.
{{{sqrt(14.065)}}} is our scale factor.
3.75 is our scale factor.
8 * 3.75 = 30, one dimension.
20 * 3.75 = 75, the other dimension.
30 cm *75 cm = 2250 cm. 
This does check.
Cleomenius.