10. In each of the following expressions, c represents the original cost of an item.
10.90C
l. 0.100
III. C -0.100
Circle the expression(s) that represents 10% of the original cost. If more than one answer is correct, explain
why the expressions you chose are equivalent.
b. Put a box around the expression(s) that represents the final cost of the item after a 10% decrease. If more
than one is correct, explain why the expressions you chose are equivalent.
Create a word problem involving a percent decrease so that the answer can be represented by expression (i),
d. Create a word problem involving a percent decrease so that the answer can be represented by expression (1).
e Tyler wants to know if it matters if he represents a situation involving a 25% decrease as 0.25x or
(1-0,25). In the space below, write an explanation that would help Tyler understand how the context of a
word problem often determines how to represent the situation,