Answer:
x less 21.5
Step-by-step explanation:
Given : the algebraic expression x - 21.5
a. 21.5 decreased by x
the expression becomes 21.5 - x
b. x more than 21.5
more than means we add , so expression becomes 21.5 +x
c. 21.5 minus x
For minus we use subtraction symbol,
so the expression becomes 21.5 -x
d. x less 21.5
x less 21.5 , we subtract 21.5
so the expression becomes x - 21.5 . that is the given expression
