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PIT_PIT [208]
3 years ago
8

150 identical books have a mass of 30 kg find the mass of 60 such books​

English
1 answer:
bekas [8.4K]3 years ago
7 0

Answer:

12

Explanation:

Let the mass of such 60 books be x

150/30= 60/x

Cross multiply both sides

150 × x= 30×60

150x= 1800

Divide both side by the coefficient of x which is 150

150x/150= 1800/150

x= 1800/150

= 12

Hence the mass of such 60 books is 12kg

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