this is just like the gas problem in your last post, but P=kLD^2
give it a try, and show us what you've tried if you get stuck.
The price of a steel rod varies jointly as the length and square of the diameter. If a 12 ft rod with a 2 in of diameter cost 480.00 pesos then what is the price of an 18 ft rod with a 3 in of diameter?
1 answer