Let 'b' be the amount of party mix in one bowl.
Let 'x' be the amount of party mix you can consume.
It's really Less than OR EQUAL TO, but I can't write that here. So don't forget it's less than or equal to.
Your inequality is: x < 2/7b
its 60-10+x why, because she bought the dress with $60 and she received $10 dollars back. We don't know the variable.
48/40 = 1 8/40
1 8/40 Simplify to 1 1/5
Hope this helps!