Question 1151668
Equation:

chips + chips = chips

{{{0.10*12 + x = 0.25(12+x)}}}

Multiply thru by {{{100}}} to get:

{{{10*12 + 100x = 25*12 + 25x}}}

-----

{{{75x = 15*12}}}

{{{x = (1/5)12}}}

{{{x = 2.4lbs}}} (amt. of banana chips to be added)


{{{10}}}%={{{0.10}}}
{{{25}}}%={{{0.25}}}

{{{pounds}}}..... | .....{{{percent}}}|.....  {{{pounds}}} {{{of}}}{{{ chips}}}

{{{old}}}{{{ mix}}}...|.....{{{12lbs*0.10}}}|..... {{{1.5}}}

{{{add}}}{{{ b.c}}} ..|.....{{{2.4 * 1}}} .....|.....{{{ 2.4}}}

{{{new}}}{{{ mix}}}  .....|.....{{{14.4 *0.25}}} .....|.....{{{ 3.6}}}