What is the value of x in the equation Negative three-fourths = StartFraction x over 24 EndFraction? –32 –18 18 32

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

I’m still confused on how to work the percentages

Write as a product: ac^2–ad+c^3–cd–bc^2+bd