You could draw a parallelogram.
Answer:
20
Step-by-step explanation:

<u>Equation/Question:</u>
2/5 x 2/3 = ?
<u>Answer/Steps to answer:</u>
1. Use this rule: a/b x c/d = ac/bd
2x2/5x3
2. Simplify 2×2 to 4.
4/5x3
3. Simplify 5×3 to 15.
<u>4/15</u>
<u></u>
<u>Done by NeighborhoodDealer</u>
Being multiplied by 5 every time. Answers are a=250 b=1,250 c=6,250
2 pounds ---- 100%
x pounds -----18%
x=(2*18)/100=36/100=0.36 pounds