Let the number of sports drinks April bought be represented by = s
Let the pizza slices April bought be represented by = p
As she spent a total of $21.25 so equation becomes:
As she bought 3 more sports drinks than pizza slices so, s = p+3
ali buys 10 burgers and 7 chocolate milkshakes for her group of friends for 50.95. If the price of a chocolate milkshake is 0.25
1 answer:
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Answer:
The no. of possible handshakes takes place are 45.
Step-by-step explanation:
Given : There are 10 people in the party .
To Find: Assuming all 10 people at the party each shake hands with every other person (but not themselves, obviously) exactly once, how many handshakes take place?
Solution:
We are given that there are 10 people in the party
No. of people involved in one handshake = 2
To find the no. of possible handshakes between 10 people we will use combination over here
Formula :
n = 10
r= 2
Substitute the values in the formula
No. of possible handshakes are 45
Hence The no. of possible handshakes takes place are 45.