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a certain number was multiplied by 3. then, this product was divided by 10.2. finally, 12.4 was subtracted from this quotient, resulting in a difference of -8.4. what was this number
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45 votes
45 votes
a certain number was multiplied by 3. then, this product was divided by 10.2. finally, 12.4 was subtracted from this quotient, resulting in a difference of -8.4. what was this number

User Rakesh Sojitra
by
2.8k points

2 Answers

27 votes
27 votes

Answer:

13.6

Explanation:


(3x)/(10.2) - 12.4 = - 8.4


(3x)/(10.2) = 4


3x = 40.8


x = 13.6

User ALearningLady
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2.8k points
29 votes
29 votes
A certain number was multiplied by 3. then, this product was divided by 3. Finally, 5 was subtracted from this quotient, resulting in a ...
User Yokesh Waran
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