A cafeteria charges $1.70 for breakfast and $2.60 for lunch. On a monday, a combined 1,300 breakfast and lunches were sold for $
3,087.50
create a system of eqations for ___b+___L =1,300
options for breakfast are 1, 1.7, 2.6 and the same options for lunch
create a system of eqations for ___b+___L =1,300
options for breakfast are 1, 1.7, 2.6 and the same options for lunch
1 answer:
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Answer:
0.5 or 50%
Step-by-step explanation:
For any given value of 'x' representing the time between arrivals of two customers. If 0 < x <120, then the cumulative distribution function is:
Therefore, the probability that the time between the arrivals of two customers will be more than 60 seconds is determined by:
The probability is 0.5 or 50%.