Hope I wrote this clearly
Answer:
Step-by-step explanation:
an exponential equation has the form y=ar^x where y=final amount, a=initial amount, r=rate, and x=time, in this case
y=200(1.18)^x
The length of model is ......15 inch
if the scale factor is 1/20
it means 1/20=15/h
h=12*15=300