It would be 1 1/2.
4/4 = 1
2/4 = 1/2
Hope this helped!
2 less than n is n-2
And
n plus n is 2n
A= 30ft, because you only have to multiply LxW= A that is equal to 2x15=30ft
First you need to convert them to the same unit. 1 cm is 10 mm, so the scale is 5:10. 5*2 is 10, so the scale factor is 2.
