Homework Help: word problem(algebra)

Posted by kimi on Sunday, September 25, 2011 at 2:44am.

a shopkeeper bought 16 boxes of pens.each box contained m pens.10 pens were sold on the first day.
(a) how many pens were left after the first day?give ur answer in terms of m.
(b) if m=5,how many pens were left after the first day?

word problem(algebra) - Henry, Tuesday, September 27, 2011 at 11:32am
a. Pt = 16boxes * m pens/box = 16m = Total # of pens bought.

a. Bal. = 16m - 10.

b. Bal. = 16*5 - 10 = 70 pens left.

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