Answer:
perimeter of the rectangle is 64
so
64=2(3y+2+2y)
32=5y+2
30=5y
6=y
so
PQ=3×30+2=92
The mean is 12.5
5+10+10+15+15+20= 75
75/6 = 12.5
Answer: 14th floor
Step-by-step explanation:
20 - 11 + 5 = 14
Let s represent the number of students surveyed.
.. 0.40s play baseball
.. 0.60*(0.40s) play soccer and baseball
.. 0.60*0.40s = 12 . . . . . . . 12 students play soccer and baseball
.. s = 12/(0.60*0.40) = 12/0.24 = 50
Jonah surveyed 50 students.
_____
This is the number of students required to match Jonah's calculations.
