pls help me this is due tomorrow morning

Find percent -> 2nd month.

4264*.25==1066 phone calls+=4264

==5330 for 2nd month.

for 2nd -> 3rd

6396==5330*x, solve algebraically to get .20  == 20% increase from 2nd month to 3rd month.

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x