'A 120-page book has p lines to a page. If the number of lines was reduced by three on each page, the number of pages would need to be increased by 20 to give the same amount of writing space. How many lines were there on the page originally?'
A I have a fair idea that in order to solve this I need to construct an equation and then solve from there. However, consturcting the right equation is what I'm having trouble with!
A I have a fair idea that in order to solve this I need to construct an equation and then solve from there. However, consturcting the right equation is what I'm having trouble with!