Answer: D
Step-by-step explanation:
Volume rectangle= area x height
V=85cm x 245cm^2
Okay, so since the discount is 60% of the price and it comes out to $2.8, we are going to form the following expression, where x is the original price.
60% of x = 2.8
Simply means: 60/100 * x = 2.8
You solve for x, which comes out to $4, which is your original price.
Answer: the variable can not be replaced by any other number
Step-by-step explanation: