Which of the following can be written as an equation?
A)Half of a number x
B)3 times a number x is the same as a number y
C)A number x times the sum of 5 and 4
D)A number y less than a number x
In the answer choice B, the " is the same as" can be used to denote an equal sign, and can therefore be written as an equation because an equation requires an equal sign.
