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8. In second grade, we used "n" (for "number") to show an unknown quantity

Fri Feb 21, 2014, 12:43 AM

Feb 2014

"John has 5 apples. He needs n more apples to make 8. How many more apples does he need?

5 + n = 8

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Find x struggle4progress Feb 2014 #1

Pythagorus had it figured out in 570 BC AgingAmerican Feb 2014 #9

Haven't you heard? 3catwoman3 Feb 2014 #11

Oh yeah, I forgot... AgingAmerican Feb 2014 #12

I suppose telling him that it's algebra pokerfan Feb 2014 #3

Well algae is like mold isn't it ? and that's like bad, right? Thor_MN Feb 2014 #4

well, that pokerfan Feb 2014 #5

Bust? AlGe Bra? Thor_MN Feb 2014 #6

That must be the borderline porn he was thinking of. Lasher Feb 2014 #7

In second grade, we used "n" (for "number") to show an unknown quantity Art_from_Ark Feb 2014 #8

Well, it was invented by an Afhgani Recursion Feb 2014 #10

it's in the Bible Enrique Feb 2014 #14

Especially the letter X because then it would be X rated. Bandit Feb 2014 #15