A Roll of Aluminum Foil from the Grocery Store Is $2700 ~ { \mathrm { kg } / \mathrm { m } ^ { 3 } }$

Short Answer

A roll of aluminum foil from the grocery store is 30 cm wide by 25 m long (if you unroll it). If the roll of foil has a mass of 3 kg and the density of aluminum is $2700 ~ { \mathrm { kg } / \mathrm { m } ^ { 3 } }$ , what is the
Thickness of the aluminum foil? a. $0.05 \mathrm {~mm}$
b. $0.1 \mathrm {~mm}$
c. $0.15 \mathrm {~mm}$
d. $0.2 \mathrm {~mm}$