An oil tanker aground on a reef is forming a circular oil slick about 0 2 foot thick To in cubic feet per minute at which the oil is leaking from dV estimate the rate dt the tanker it was found that the radius of the slick was increasing at 0 42 foot per dR dV minute 0 42 when the radius R was 400 feet Find dt C dt Y using 3 14 dV ft min dt Type an integer or a decimal Round to the nearest whole number as needed 2 A xR V 0 2A Tanker R