Translate to an algebraic expression (a) one third of the difference of two numbers

(B) Seventeen less than nine percent of a number

2 answers

one third ... 1/3
difference of two numbers ... x-y
"of" usually means multiply, as in "half of 10 is 5."
so, what do you think?

Try the other one; I'm sure you can do it.
a. 1/3(x-y).

b. 0.09x - 17.