The answer would be x=245 cm
Yes I agree with the person that put that answer
Answer:
(18+21+17+x)÷4=20
x=24 students
Step-by-step explanation:
(18+21+17+x)÷4=20
(56+x)÷4=20
56+x=20*4
56+x=80
x=80-56
x=24
X=wide
102=2x+2*2x
Solve the equation:
x=17
Therefore the long must be:
2*x=2*17=34
This is right because:
17+17+34+34=102
Hope that helped.
Answer:
cylinder
Step-by-step explanation: