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Rates for having a manuscript typed at a certain typing service are $5 per page for the first time a page is typed and $3 per page each time a page is revised. If a certain manuscript has 100 pages, of which 40 were revised only once, 10 were revised twice, and the rest required no revisions, what was the total cost of having the manuscript typed?
A. $430
B. $620
C. $650
D. $680
E. $770
OA D
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Rates for having a manuscript typed at a certain typing service ar $5 per page for the first time...
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vaibhav101
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First time typing = $5 per page
Revised page typing = $3 per page
For a 100 page manuscript
For typing all the 100 pages for the first time = $5 * 100 = $500
For revising 40 pages at once = $3 * 40 = $120
For revising 10 pages twice = 2 ($3 * 10) = $60
Total cost of having the manuscript typed = $500 + $120 + $60 = $680
Answer = option D
Revised page typing = $3 per page
For a 100 page manuscript
For typing all the 100 pages for the first time = $5 * 100 = $500
For revising 40 pages at once = $3 * 40 = $120
For revising 10 pages twice = 2 ($3 * 10) = $60
Total cost of having the manuscript typed = $500 + $120 + $60 = $680
Answer = option D
