Asked by hussnain

108 identical books have a mass of 30kg.find the number of such books that has a mass of 20kg.

5 years ago

Answered by Reiny

x/20 = 108/30
x = 20*108 ÷ 30 = ....

5 years ago

Answered by oobleck

2/3 the mass, so 2/3 the books
2/3 * 108 = 72

5 years ago

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