Question

a 1 pound weight has a mass of about 0.45 kilograms. a car weighs 2100 pounds. what is the mass of the car in kilograms, rounded nearest tenth of a kilogram?

Answer 1

`(1)/(0.45) = (2100)/(x) \\ \\ 1*x=0.45*2100 \\ \\ x=945`


945 kilograms