Answer:
2,800 Books to be the same.
40.0*10 is the answer
actually it is 400 but u want in decimal so it is 40.0*10
30/25 - 1 = 0.2 = 20% increase
Step-by-step explanation:
0+1 = 1
1/2+1/2= 1
-50 + 51= 1
