Well, let’s look at it this way for a moment. Let’s remove the extra 3 pencils in his bag. Now we are left with 42 pencils divided equally in 7 bundles.
42 / 7 = 6
= 6 pencils per bundle. Now add the 3 pencils he initially had in his bag.
= 7 bundles with 6 pencils + 3 more in bag
Hope this helps!
