Problema Solution
a piece of lumber 2.8m long weights 24.5kb. a piece 0.8m longis cut from the 2.8m lenth. determine the weight of the smaller piece.
Answer provided by our tutors
2.8 meters longs weights 24.5 kg
0.8 meters long will weight x kg
since the length is proportional to the weight we have the following proportion
2.8 / 24.5 = 0.8 / x
x = 0.8*24.5/2.8
x = 7 kg
the weight of the smaller piece is 7 kg.