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47 decreased by nine times d what's the mathematical expression

User GaRos
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2 Answers

5 votes
Nine times d » 9d

47 decreased from that » 9d - 47
User Behas
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6 votes
Nine times d = 9*d = 9d

47 decreased by 9d = 47 - 9d

= 47 - 9d.
User Amarruedo
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