I dont know math well but try to look it up
Answer:
Find the total pens to start with by multiplying the number of boxes by the number of pens in each box:
22 x 19 = 418.
Now subtract the number of pens left:
418 - 71 = 347
He gave out 347 pens.
Answer:
n = 39
Step-by-step explanation:
The base angles are congruent, that is
3n = 117 ( divide both sides by 3 )
n = 39
The answer is 19 units number 3