Question 1037059
y,  pages according to page number label
x,  minutes as variable
m,  pages per minute reading speed
b, y-intercept for when x is zero
--
Variables were assigned differently than you said.  We want to solve for x number of minutes.



YOU
{{{2*x+55}}}


FRIEND
{{{3*x+35}}}


You and friend on the same page:  {{{2x+55=3x+35}}}