Answer:
The scale of the model is 1 in.:15 ft.
Step-by-step explanation:
In order to find this, first express the terms that you know.
3 in.:45 ft.
Now simplify by dividing both by the greatest common factor, which in this case is 3.
1 in.:15ft.
60
5:4 = 60:48
2/1 ÷ 3/9
Whenever dividing fractions , the second fraction flips
2/1* 9/3
Multiply the numerators together
Then Multiply the denominators together
18/3 then divide by 3 for 18/3
18/3÷ 3/3
= 6
Answer is 6