Apparently, we are to presume the cost of the pizza is proportional to its area. The ratio of areas is proportional to the square of the ratio of diameters. Hence we expect a 20" pizza to cost
(20/12)² × $7.95 ≈ $22.08
        
             
        
        
        
Answer:
ok down below is the answer
Step-by-step explanation:
5+5+5+5+5+5+5 is 5x7 
5x5x5x5x5x5x5 is 5 with a little 7
7x7x7x7x7 is 7 with a little 5 
others are none :)
 
        
             
        
        
        
Answer:
5 (grandson's age now)
35 (son's age now)
60 (father's age now)
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
BODMAS 
B-brackets()
O-of(multiplication)×
D-division÷
M-multiplocation×
A-addition+
S-subtraction-