Answer:
A.A(n) expression is a mathematical relationship that uses one or more variables, numbers or operation symbols.
B.A(n) variable is a symbol that can be replaced by a number in a mathematical expression or equation.
C.A(n) equation is a mathematical sentence with an equal sign.
Answer:
option A is the correct answer
$12 is 75%
$ x is 100%
75/12=100/x
75x=1200
x=16
so original price was $16. :)))