Question

10 p Jayson reads the first 48 pages of a 480-page book in 3 days. Marcus reads the first 50 pages of a 400-page book in 4 days. Nina reads the first 120 pages of a 600-page book in 5 days. If they continue to read at these rates, who will finish first? *

Answer 1

Jayson:

48pag-------------------->3 days

480pag------------------->x days

`\begin{gathered} (48)/(480)=(3)/(x) \\ x=(480*3)/(48)=30da_{}ys \end{gathered}`

Marcus:

50pag---------------------->4 days

400pag--------------------> x days

`\begin{gathered} (50)/(400)=(4)/(x) \\ x=(400*4)/(50)=32days \end{gathered}`

Nina:

120pag------------------------->5days

600pag------------------------->xdays

`\begin{gathered} (120)/(600)=(5)/(x) \\ x=(600*5)/(120)=25days \end{gathered}`

Nina will finish first in 25 days