Answer:

Step-by-step explanation:
Solve for the value of
:

-Multiply both sides by 


So, therefore, value of
is
.
Answer:
45180cm
Step-by-step explanation:
You have to multiply the amount of shells by the length on one shell to get the length of all of them combined so, 2510 multiplied by 18 is 45180.
Answer: 20%
Step-by-step explanation: 3/15 = 1/5 = .20 = 20%