if some says can i have 5 HB pencils what do they mean?
you need to find 5 pencils with lead hardness/softness of HB. HB's (in pencil) are good sketching pencils. #2 pencils are what people normally use though
are mechanical pencils #2 pencils?
What makes a number two pencil is the hardness of the lead and most pencils macanical or regular pencils are number two. If they're not you'll notice imediatly because number one pencils are too soft to write with and number three's are too hard. You...
next questionjars and pencils?
p = pencils j = jars 9(j-2) = p 6j + 3 = p Simplify the first equation. 9j -18 = p Set left sides of the equation equal to each other since they both equal p. 6j + 3 = 9j - 18 Combine j terms on right and numeric terms on left. 21 = 3j 7 = j 7 jars. ...