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## Two Pencils

Math brain teasers require computations to solve.

 Puzzle ID: #317 Fun: (2.48) Difficulty: (1.3) Category: Math Submitted By: Phyllis Corrected By: jntrcs

Karin has two pencils. One is a good one, and one is a cheap one. The good pencil cost \$1.00 more than the cheap one. Karin spent \$1.10 for both pencils. How much did her cheap pencil cost?

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 Shawnheyhey123 Dec 09, 2005 1: I'm the first message! YEAH!!!!! 2: All you need to figure that problem out is common sense. 3: SUPER EASY!!!!!! stephiesd Dec 15, 2005 there was a problem like this in my algebra book about popcorn costing \$1 more than the bag. i was the only person who got it right. i was also the youngest person in the class. cms271828 Jan 22, 2006 These problems are easy and boring, just basic simultaneous equations. Can someone post some interesting puzzles on here TehIgnored Mar 02, 2006 what was the calculator for..?? jj_is_cool Mar 29, 2006 if it is math,. there is always a calculator. n nm nhn bhh h hn n hj hm calmsavior Apr 24, 2006 pretty easy but cool spazzyjazzy93 May 21, 2006 ha ha that was good am i the only one that got this wrong? elu93 Nov 07, 2006 Wow, i acutally got it! I never realized listening in class would come in handy... Dishhead5 Dec 17, 2006 lol lol lol im young... less than 13 and i do 4-unit maths redhead_babe15 Dec 29, 2006 that was easy, but it was good. some people i know would have said 10 cents. hersheyugget Mar 29, 2007 easy heres the forula: let x=cheap pencil letx+1.00= good pencil x+(x+1.00)=1.10 2x+1.00=1.10 2x=.10 x=.05 hersheyugget Mar 29, 2007 *formula