Answer:
Is
Step-by-step explanation:
Answer:
The number of adults is 
Step-by-step explanation:
Let
x------> the number of children
y------> the number of adults
we know that
-------> equation A
-------> equation B
Multiply equation A by 
-------->
------> equation C
Adds equation B and equation C

Answer:
radius is 4 height is 10 volume is 167.55
Step-by-step explanation: