Answer:
Step-by-step explanation:
hello :
the system is : x+ y =4 ...(*)
2x - y = -1...(**)
add(*) and (**) : 3x=3 so : x=1
put this value into (*) : 1+y=4 so : y=3
one solution : (1 , 3)
Answer:2.08333333333
Step-by-step explanation:
Answer:
The correct option is B
i just answer that on our test and i got A+
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Answer:
<u>Number of rooms reserved for the students are - 90 .</u>
Step-by-step explanation:
Firstly ,
As we know 60% of the 600 students went on the trip,
Then ,
Number of students went on the trip = 60% of 600
=
= 360
Now ,
Given - One room is reserved for 4 students ,
Therefore , Number of rooms for 360 students =
= 90
<u>Hence , the answer is 90 rooms reserved for the students.</u>