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Nataliya [291]
3 years ago
5

108 identical books have a mass of 30 kg. Find

Mathematics
1 answer:
Lynna [10]3 years ago
4 0

Answer:

(i) 540kg

(ii) 5.56 (rounded off to 3 significant figures)

Step-by-step explanation:

108  \div 30 = 3.6kg

(i)3.6 \times 150 = 540kg

(ii)3.6 \times x = 20

3.6x = 20

x =  \frac{20}{3.6}

x = 5 \frac{5}{9}

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