Answer:
5
Step-by-step explanation:
G.C.F means greatest common factor
this means the highest number that will go into both 25 and 40
5 is the highest number that will divide into both
Answer:

Step-by-step explanation:
we know that
The scale is 
That means
2.4 cm in the model represent 1 foot in the real
In this problem
The restaurant is 20 feet tall
Find the height of the model
Multiply the actual height of the restaurant by the scale 2.4

A bottle cap is 1.2 cm tall
To find out the number of bottle caps divide the height of the model by 1.2

I think it’s A hope this helped
Answer:
25% decrease
Step-by-step explanation:
Take the original amount of books and subtract the new number of books
20 -15 = 5
Divide by the original amount of books
5/20 = .25
Multiply by 100%
25%
It is a decrease since the amount went down
25% decrease