Answer: 173 because she wrote two checks was nto given two checks so you subtract :)
Step-by-step explanation:
Answer:
5.6
Step-by-step explanation:
We will let x= time babysitting
y= time hostessing
8.75x+10y=165
We know that x+6=y
So we have
8.75x+10(x+6)=165
18.75x+60=165
18.75x=105
x=5.6
Answer:
24 hours, 86,400 seconds
Step-by-step explanation:
Matt is wrong because 5-1=4 and 5-1 1/4= 3 3/4
Answer:
The north campus had
while the south campus had
.
Step-by-step explanation:
The question stated that there are
students in the merged campus. That's the sum of the number of students in the north and the south campus before the merger.
Let
denote the number of students in the north campus before the merger. The other
students would all belong to the south campus before the merger.
Before the merger,
of the students of the north campus are of music majors. In terms of
, that's
students.
On the other hand,
of the students of the south campus are of music majors. That corresponds to
students.
With a similar logic, the number of music students in the merged east campus will be
.
The question implies that the sum of students in the two campuses should be equal to the number of music students in the east campus. That is:
.
Solve for
:
.
In other words, there are
students in the north campus and
students in the south campus before the merger.