## Que: A book to be reprinted has 300 numbers of pages to be typed, of which 80 were revised only once, ....

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### Que: A book to be reprinted has 300 numbers of pages to be typed, of which 80 were revised only once, ....

by [email protected] Revolution » Thu Aug 05, 2021 8:25 pm

00:00

A

B

C

D

E

## Global Stats

Que: A book to be reprinted has 300 numbers of pages to be typed, of which 80 were revised only once, 50 were revised twice, and the rest has no revisions. The typing service agency charges $10 per page if the page is typed for the first time and$5 per page each time a page is revised. How much does it cost to have the book reprinted?

(A) 1,500
(B) 1,700
(C) 2,350
(D) 2,500
(E) 3,000

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### Re: Que: A book to be reprinted has 300 numbers of pages to be typed, of which 80 were revised only once, ....

by [email protected] Revolution » Sat Aug 07, 2021 10:46 pm
Solution: Total number of pages = 300

=> Revised once: 80

=> Revised twice: 50

=> Remaining: 300 – (80 + 50) = 170

=> Rate for first typing: $10 => Rate for first revised:$5

=> Rate for second revised: $5 +$5 = $10 => Total cost = (170 * 10) + (80 * 5) + (50 * 8) = 1700 + 400 + 400 =$2,500

Therefore, D is the correct answer.