Answer:
The percentage decrease is 15%. 
Step-by-step explanation:
To find the percent decrease of any two numbers, subtract the numbers and divide it by the original. 
So in this case: 
20-17÷20 
= 3÷20 
= 0.15
Now convert to a percent.
0.15×100 = 15% 
 
        
             
        
        
        
Answer:
They gained 4 1/2 yards
Step-by-step explanation:
It was a positive gain because they didn't go back.
 
        
                    
             
        
        
        
Answer:
$16.75 + $2.20 = $18.95
$20 - $18.95 = $1.05
Step-by-step explanation:
Brainliest please
 
        
             
        
        
        
 Answer:DECIDING IF A FRACTION IS A FINITE OR INFINITE REPEATING DECIMAL ... Need a short break? RATIONAL and IRRATIONAL NUMBERS. The rational numbers are numbers that can be written in the form ab a b , ... start by putting the fraction in simplest form;; then, factor the denominator into primes. 
Step-by-step explanation: