Answer:400
Step-by-step explanation: if everyone hand shakes every other person the answer will be 400, because 20 times 20 is 400
hope I helped.
Answer:
652997
Step-by-step explanation:
1.23*18=22.14
22.14*29,494=652997.16
round it down to get 652997
Answer:
Step-by-step explanation:
Disagree, it is not always correct
Consider dividing 5 by 0.5, you get 10 which is greater than what you started with
There would be 8 ones, 4 fives, 12 tens, and 4 twenties. That together would be about $228