（$$2017$$ Anglo-Chinese School (Junior), Semestral Assessment $$1$$, Primary Three, Question \#$15$）  Jay has $6$ times as many pens as Denise. They have $126$ pens altogether. How many pens does Denise have? 
Overseas Competition->Knowledge Point->Word Problem Modules->Questions Involving Sum, Difference and Multiples->Problems of Sum and Multiple