Question

An iron rod of length 25cm weighs 196.5g.What will be the weight of an iron rod of length 1.6m?

Answer 1

1257.6 g

Explanation:

1 m = 100 cm

1.6 m = 1.6 * 100 cm = 160 cm

Use a proportion.

196.5/25 = x/160

25x = 196.5 * 160

25x = 31,440

x = 1,257.6

Answer: 1257.6 g