In how many ways can a supermarket chain select 4 out of 12 possible sites for the construction of a new supermarket?
1 answer:
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Answer:
The number of hot beverages sold were 45 and the number of cold beverages sold were 180.
Step-by-step explanation:
Let the number of cold beverages sold be
And the number of hot beverages sold be
According to the question:
c=4 h...
1.5
c + 2
h = Sale of any day
Part1:
For Saturday.
The sale is of 360
then
1.5
c +
2
h =
360
Part 2:
Following the method of substitution.
And plugging the values of c=4 h...in equation where the sales of Saturday is given.
1.5 c + 2
h =360
1.5 4
h + 2
h =360
6 h + 2
h= 360
8 h=360
Dividing both sides with 8.
h=
h=45
Inserting h=45 in c=4 h...
we have c=4 45 = 180
So the number of hot beverages sold were 45 and the number of cold beverages sold were 180.