For milo-cupcake's question, all you need is one step: 360-105-127=128 That is the answer to both 'a' and 'b'. This is why: If you draw a line from Q to S, PQS+TSQ=180. And the angles in triangle QRS would also be equals to 180. So, 180+180=360. This 360 degrees refers to PQR+QRS+RST. If you add up...

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Hi, Can someone help with the following questions? I'm new in Algebra so hope there are step by step workings. :?: Thanks in advance! http://i58.tinypic.com/165b3o.jpg a) A pencil costs n cents and a notebook thrice as much which is 3n cemts. b) The amount that she paid for the notebooks = $16.20 -...

Since a pencil costs n cents and a notebook thrice as much, it should be 3n cents for part a B) Let' x' be the number of notebooks bought, 6n would be the cost of 6 notebooks 3xn would be the price of x notebooks 6n + 3xn = 16.20 Thus the price of the notebooks is 16.20-6n Thank you CookieMonster123

Hi,
Can someone help with the following questions? I'm new in Algebra so hope there are step by step workings.
Thanks in advance!

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Hi ILLUSDUCA,
Thanks for solving my problem.
Sorry another question needs help:

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