For how many positive integers m does there exist at least one positive integer n such that m·n ≤ m+n?

How do i do this? i don’t understand

What is the value of x in the this question ?

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60