a 120 page book has p lines to a page. if the number of lines were reduced by 3 on each page the number of pages would need to b

Question

3 years ago

12

e increased by 20 to give the same amount of writing space. how many lines were there on the page originally?? pls help <3

1 answer:

astraxan [27] · Answer 1 · 2022-08-23T05:25:41+03:00

6 0

Answer: 21

Explanation:

Space on book with p lines per page

= 120p

Amount of space needed to give the same space as initial

= 140(p - 3)

= 140p - 420

Hence we can form the equation:

140p - 420 = 120p

20p = 420

p = 21