Answer:
scale factor = 5
Step-by-step explanation:
To determine the scale factor calculate the ratio of corresponding sides of the enlargement to the original, that is
scale factor =
=
= 5
9 is the answer for that problem
Looks like 14.4 because you have to add them all together and divide by the total numbers
(20+22+10+5+15)/ 5
Answer:
if there are 360 students, the number of teacher will be 6,480...
360:6,480