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When was red pens invented?

Anonymous

∙ 10y ago

Updated: 9/13/2023

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.

Wiki User

∙ 10y ago

What else can I help you with?

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.

When were Flair pens invented?

Flair pens were invented in the 1960s by the Paper Mate pen company. They were popularized for their brightly colored ink and smooth writing experience.

Who invented Clorox bleach pens?

janneth ibarra

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

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

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.

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.

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