Let the first digit of the 2-digit number be x and the second digit be y.
Then the ratio (x/y) equals (1/2).  Write a formula for y in terms of x.
The tens digit is 2 more than the units digit.  Using the letters x and y, write out the proper equation.
Now solve your two equations simultaneously for x and y.
        
             
        
        
        
Answer:
Eli has to run for 2.25 minutes at this pace to win the bet.
Step-by-step explanation:
At his last track meet, Eli ran the 400-meter dash in 54 seconds.
So, the speed of Eli's run is  meters per minute.
 meters per minute.
Now, if Eli is determined to run a whole kilometer with the same speed, then it will take Eli to run 1 kilometer within  minutes.
 minutes.
Hence, Eli has to run for 2.25 minutes at this pace to win the bet. (Answer)
 
        
             
        
        
        
<span>10p+5=18p-6/2 
10p + 5 = 18p -3 
10p - 18 p = -3 -5
-8p = -8
p = -8/-8
p =1</span>
        
             
        
        
        
Answer: 764
Step-by-step explanation: