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The red pen began as early as the 17th century when medieval European scribes created red ink, for writing with writing instruments. In 1931, Parker Quink Ink began manufacturing ink in a variety of colors, including red for rollerball and pens.
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Who invented pens that can rub out?
Sam Whittaker invented rub out pens
There are 20 red and blue pens in a box there are 3 times as many blue pens as red pens?
3b + r = 20 20/4=5 5x3=15 blue pens 5x1= 5 red pens
An office orders 34 boxes of red pens and 47 boxes of blue pens They want more black pens than red pens What is the smallest number of boxes of black pens they could order?
35.
Who invented Clorox bleach pens?
janneth ibarra
Lisa bought a box of 20 pens 15 were red pens and the rest were purple How many of the pens were purple?
5 were purple
What is the probability of getting a black pen if you have 4 black pens 6 blue pens and 2 red pens?
one out of three
Who invented fountain pens and when?
William Purvis invented one i know of right now.
What is the fear of red pens?
There is none. But there is the fear of the color red: Erythrophobia
History of gel pens?
gel pen were invented by sackura
Can Christmas pens be purchased in bulk?
Christmas pens cannot be purchased in bulk but pens that are christmas colors can. You can buy boxes of green and red pens like every other color.
Why were fountain pens invented?
The first fountain pen was invented in the 10th century because an Egyptian calif, Ma'ād al-Mu'izz, was tired of having his hand get stained by dip pens and asked some unnamed inventor to do something about it. Later, other fountain pens were invented by other people. The reason, to avoid mess, remained the same. There is a link below to the history section of an article on fountain pens.
A box contains a number of pens, 12 of which are red pens. The rest of the pens in the box are blue pens. If the probability of selecting a red pen is 3/8 how many blue pens are in the box.A) 17B) 19C) 20D) 21E) 18?
12 x 3 = 36 12 x 8 = 96 96 - 36 = 60 there are 60 blue pens in the box.
