Answer :
it says less than so you want to subtract.
an number with be represented by the variable n:
n-9
it isn't 9 minus n because that would be nine less a number(9-n)
so your answer is:
n-9
an number with be represented by the variable n:
n-9
it isn't 9 minus n because that would be nine less a number(9-n)
so your answer is:
n-9
