Decrease = Rs 800- Rs 640= Rs 160
Percentage decrease = (Decreased amount / Original amount) * 100
= 640/ 800 * 100 = 80%
Answer:
or 
Step-by-step explanation:
we know that
To find the unit rate divide 27 1/5 by 4/5
but first
Convert mixed number to an improper fraction

so

A is the awnser,because it is asking for the area of the square figure not the triangular figure in the middle.
Answer:
i think :
a. Vince
Step-by-step explanation: