The square of sophie's age is 16 less than joanna's age. it is also the case that joanna's age is 8 times that of sophie. how ol
1 answer:
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Answer:
468 ways
Step-by-step explanation:
Given: A catering service offers 5 appetizers, 4 main courses, and 8 desserts
To find: number of ways a customer is to select 4 appetizers, 2 main courses,and 3 desserts.
Solution:
A permutation is an arrangement of elements such that order of elements matters and repetition is not allowed.
Number of appetizers = 5
Number of main courses = 4
Number of desserts = 8
Number of ways of choosing k terms from n terms =
Number of ways a customer is to select 4 appetizers, 2 main courses,and 3 desserts =
So, this can be done in 468 ways.
X stands for the score of her first test
Y stands for the score of her second test
Y stands for the score of her second test