idenify the scale factor length pf room:108 in. length of room on scale drawing:12 in. the scale factor is​

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

Can someone me and do the problem plz so i can understand it more better

Does anyone know how to do geometryme with this problem