Question

For each expression, select Yes or No to indicate whether the expression could be used to represent a 30% discount. let x represent the original amount. x-0.70.3 (x-1)0.7xx-(0.3x)

Answer 1

x-0.7 NO

0.3 (x-1) No

0.7 x YES

x-(0.3x) YES

To represent a 30% discount we have to subtract the discount in decimal form (0.3) to 1, and multiply it by the ori