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skad [1K]
4 years ago
7

Tim sold half of his comics collection and then bought 16 more. If he now has 36, how many did he begin with?

Mathematics
1 answer:
STALIN [3.7K]4 years ago
6 0

Tim began with 40 comics

Further explanation:

The equation involve linear equation as there is only one object i.e. comic books

So,

Let x be the number of comic books Tim began with

Then after selling half comics Tim will have x/2 comics remaining

Now when he buys 16 more the expression will be:

\frac{x}{2}+16

He has total 36 books, then

\frac{x}{2}+16= 36

Subtracting 16 from both sides

\frac{x}{2}+16-16= 36-16

{\frac{x}{2}}= 20\\

Multiplying 2 on both sides

{\frac{x}{2}}* 2= 20*2\\x=40

<u>We can recheck, if he had 40, half of them will be 20 and adding 16 makes them 36.</u>

Tim began with 40 comics

Keywords: Equation in one variable, linear equations

Learn more about linear equations at:

  • brainly.com/question/1859222
  • brainly.com/question/1993757

#LearnwithBrainly

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