Michelle has read 0.05625 percent of a book. If she has read 18 pages, how many total pages are in the book?

Mathematics

2 answers:

ki77a [65]3 years ago

6 0

320 pages because 1/.05625=17.7777777778 than 17.7777777778x18=320

faust18 [17]3 years ago

4 0

You read 2/5 of the remainder on Sunday. That means 3/5 of the remainder are unread (1- 2/5). It is given that 36 pages are unread. Therefore 3/5 of the remainder is equal to 36. Set up equation and solve for x which will be the remainder

3/5x=36
x=36(5/3)
x=60

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Hey!

The first step to solving this problem would be to distribute the parenthesis. We do this so that we can get rid of the parenthesis.

Original Equation :
5 ( x - 10 ) = 30 - 15x

New Equation {Changed by Distribution} :
5x - 50 = 30 - 15x

The next step would be to 50 to both sides. The reason we do that is to get rid of the 50 that is on the left side of the equation.

Old Equation :
5x - 50 = 30 - 15x

New Equation {Changed by Adding 50 to Both Sides} :
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And now we would add 15x to both sides to get rid of the -15x on the right side of the equation.

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Now we divide both sides by 20 to get x on it's own.

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New Equation {Changed by Dividing Both Sides by 20} :
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Finally, all we have to do is solve to find x.

Old Equation :
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So, in the equation 5 ( x – 10 ) = 30 – 15x, x = 4.

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