Answer:
See below.
Step-by-step explanation:
It depends on the thing being measured.
A cup is a unit of volume, and a kg is a unit of mass.
To change from volume to mass, you must be dealing with a specific material that has a known density. For different materials, the answers will be different.
1 kilogram (kg) = 4.226752838 cup (cup).
Work Shown:
18% = 18/100 = 0.18
18% of 40 = 0.18*40 = 7.20
35/2 or 17.5 or 17 1/2