An up-and-coming artist has 85 followers on Twitter and this number doubles every week. In what week will the artist first reach 1,000 followers? Use at least two different methods to come up with your answer.

It will take week to reach followers.

First, we are using two step to find the answers.

Division:

   By given, A artist has followers.

Every week  the no. of. followers is doubled .

Now, find how many week the artist reach followers.

Since week followers is doubled,

So ,

Thus,

Which is not possible .

Then, it take  week to reach the   followers.

Addition:

    By given, A artist has followers.

Every week  the no. of. followers is doubled .

To find how many week the artist reach followers.

Now, the first week has followers.

followers doubled.

followers doubled in every week .

Then,

Hence, the artist reach followers in mid week of to week .

so, it approximately take   week to reach followers but which is impossible to take decimal in week .

Thus, the artist take week to reach the followers.

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5.8 , which approximately is 6 weeks.

Step-by-step explanation:

the first method is the short one since u just have to double the 85 then divide to 1000.

1000 ÷ ( 85 × 2)

1000 ÷ 170 = 5.882. round off to whole number to get 6.

the second method is the addition method.

we start by 85 then keep doubling 85 for every weekinshortwe add 170 to each weeks number to get the number of followers for the following week.

85 ⇒ 170 ⇒ 340 ⇒ 510 ⇒ 680 ⇒ 850 ⇒ 1020.

     1st      2nd      3rd     4th      5th         6th     week.

u notice that we add (85×2), 170, to get the following week's number of followers..

in 5 weeks the number of followers is yet to get to 1000.

when u divide, u get 5.8,and it is not logic to say 5.8823weeks

since she reaches 1000 followers in the 6th weekthough there is an addition it is the most appropriate answer.

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step-by-step explanation:

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