Question

If the weight of a 10 rupee coin is 7.7 g, then the weight of
20 ten rupee coins is
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Answer 1

Answer:

154 g

$1 \: ten \: rupee \: coin \: = 7.7 \\ 20 \: ten \: rupee \: coin \: = 7.7 \times 20 \\ = 154 \: g \:$

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Answer 2

Answer:

$weight \: of \: 10rupee \: coin \: is \: = 7.7g \\ weight \: of \: 20 \: ten \: rupee \: coin \: = {7.7 \times 20} \\ = 154gm$