Step-by-step explanation:





Okay i'm confused on the question but i do know the answer of the diameter
if that help the diameter would be d=5.09cm
i hope this helps
4 years
6000 x .3 = 1,800. 1800 divided by 450 = 4
Answer:
5n
Step-by-step explanation:
cost of one helmet = $5
let 'n' be the number of person that is n=1,2,3,4........
note that the value of n is always a natural number
therefore the expression = 5n
where 5 is the cost one helmet
n is the number of persons