Question

7 identical books of mathematics weigh 3.15 kg. What is the weight of 2 dozen such books?​

Answer 1

Answer:

6.3 kg

Step-by-step explanation:

dozen=12

12×2=14

7÷14=2

2×3.15=6.3

Answer 2

Answer:

10.8kg is the answer.

Calculation:

2{(3.15/7) ×12}kg = 10.8kg

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