A uniform iron bar of length 7 metres weighs 22.4 kg. How much does the same bar of length 13 metres weigh?
Answers
Answered by
46
Answer:
length of iron bar=7 metres
weight=22.4kg
length of iron bar of 1 metres=22.4\7=3.2kg
Length of iron bar of 13 metres =3.2×13=41.6kg
Answered by
25
Answer:
41.6 kg
Step-by-step explanation:
Weight of 1m iron bar
=Weight of iron bar of 7m÷length of iron bar
=22.4kg ÷ 7
=3.2 kg
Weight of 13 m iron bar
= Weight of 1m iron bar × 13
= 3.2kg × 13
=41.6kg
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