Question

If you formed an algebraic equation to model the sentence, "three times a number is equal to nine," how many variables would be in the equation?
A. 1
B. 2
C. 3
D. 5

Answer 1

"Three times" is represented as( 3X)
A number is unknown so it can be called X
And since it is equal to 9, the variable will be X.


3 X unknown (x) = 9 and a letter is known as a variable in mathematics so cherrio :)