The number of handshakes that will occur in a group of eighteen people if each person shakes hands once with each other person in the group is 153 handshakes
In order to determine the number of handshakes that will occur among 18 people, that is, the number of ways we can choose 2 persons from 18 people.
∴ The number of handshakes = 






∴ The number of handshakes = 153 handshakes
Hence. 153 handshakes will occur in a group of eighteen people if each person shakes hands once with each other person in the group.
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Answer: it should be 60
Step-by-step explanation:
There are 4 jacks and 4 eights so with replacement:
P(Jand8)=(1/13)^2=1/169
Answer:
Time taken by Franklin to shovel alone is 65.5 minutes.
Step-by-step explanation:
Let the time taken by Franklin to shovel alone = x minutes.
Since, the time taken by Angela to shovel = 180 minutes and the time taken by both = 48 minutes.
Then, we have,
Amount of shoveling done in 1 minute by Angela = 
Amount of shoveling done in 1 minute by both = 
Amount of shoveling done in 1 minute by Franklin= 
So, we have,

i.e. 
i.e. 
i.e. 
i.e. 
i.e. x= 65.5 minutes
Thus, the time taken by Franklin to shovel alone is 65.5 minutes.
Answer:
c true
Step-by-step explanation:
1st u read the problem and thensolve the problem