1. In each of the following expressions, c represents the original cost of an item. i. 0.900
ii. 0.10c
iii. C -0.10c
a. Circle the expression(s) that represents 10% of the original cost. If more than one
correct explain why the expressions you chose are equivalent.

b. Put a box around the expression(s) that represent the final item after a 10% decreas
more than one is correct explain why the expressions you chose are equivalent.