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  • 23-12-2020
  • Mathematics
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. Rama subtracted 7 from thrice the number of marbles she has, and she gets the result as 20.

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  • 24-12-2020

Complete question :

Rama subtracted 7 from thrice the number of marbles she has, and she gets the result as 20. Find the number of marbles she has

Answer:

9 marbles

Step-by-step explanation:

Let The number of marbles she has = x

3 times the total - 7 = 20

That is ;

3x - 7 = 20

3x = 20 + 7

3x = 27

x = 27/3

x = 9

Number of marbles she has = 9

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