<span>First of all, we need to put commas in the number so it would look less confusing
309 , 099 , 990
Hundred million hundred of thousnd Hundred
So the correct way to say it would be : three hundred nine million ninety nine thousand nine hundred and ninetyHope this helps. Let me know if you need additional help!</span>
        
             
        
        
        
Speed is distance over time. There’s no distance in the question and the time is 1 hr 30 mins hence 1.5 hours.
        
             
        
        
        
Answer:
2520
Step-by-step explanation:
 
        
             
        
        
        
Answer: 1053
Step-by-step explanation: ...............................
 
        
             
        
        
        
Answer:
$8.90
Step-by-step explanation:
((2)(2.90))+(3.10)= $8.90