We are asked to write an algebraic expression for the given verbal expression. The key phrase in the verbal expression is the quotient of ... and ... This indicates that we should divide two things.
... ÷ ...
The two terms that we are dividing together are a numberb and 15. Since a numberb comes first in the verbal expression, it should be on the left-hand side of the division.
the quotient of& a numberb and 15
b ÷& 15
