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Mathematics, 15.02.2021 07:10 asdf2342

Jui Wen has 12 more 10 cents coins than 20 cents coins. The total value of all his coins is $5.40. Find the total number of coins he has. Plz do In algebraic method

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Jui Wen has 12 more 10 cents coins than 20 cents coins. The total value of all his coins is $5.40. F...
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