Answer:
7 groups, 3 boys and 8 girls
Step-by-step explanation:
Let total number of groups be 
and total hikers in one group be 
if number of girls and boys in every group is same, then

....(1)
from (1)
will either be 11 or 7
for
the values won't be real.
For 
so there will be 7 groups with 11 hikers in each groups and every group will have
boys and
girls
Answer:
Part 1) The area is 
Part 2) The circumference is 
Step-by-step explanation:
step 1
Find the area
we know that
The area of a circle (circular tablecloth) is equal to

we have
------> the radius is half the diameter

substitute


step 2
Find the circumference
we know that
The circumference of a circle (circular tablecloth) is equal to

we have

substitute


Answer:
most likely 6
Step-by-step explanation:
because factors of 36 is 4,2,6 etc factors of 18 is 6 and 24 and it the gcf
4.5 hrs because 162.50-50 = 112.50
112.50/25= 4.5