Divide 1440 by 6 to get 240 packs.
It wouldn't let me post the answer. See images for the answer and explanation
To write 3.40 as a fraction you have to write 3.40 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.
3.40 = 3.40/1 = 34/10
And finally we have:
3.40 as a fraction equals 34/10 simplified we get: 3 2/5
$14 - covert 2/5 to a decimal (or percentage) = 0.4 (40%) and then multiply by 35.