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#1 2005-12-13 11:45:59
- babyangel1972
- Member
- Registered: 2005-12-12
- Posts: 18
Word problem
Between the years 1999 and 2003 the average text book rose from $45.00 to $67.00/ What is the percent of increase (rounded to the nearest whole number) for the average text book.
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#2 2005-12-13 12:17:19
- mathsyperson
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- Registered: 2005-06-22
- Posts: 4,900
Re: Word problem
Percentage increase = (new amount - old amount)/old amount.
So in this case, it would be (67-45)/45 = 22/45.
Multiply this by 100% to get a percentage and you get an increase of 49% to the nearest whole number.
Why did the vector cross the road?
It wanted to be normal.
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#3 2005-12-13 18:58:36
- MathsIsFun
- Administrator
- Registered: 2005-01-21
- Posts: 7,711
Re: Word problem
Babyangel, maybe you could post future questions below here (click "Post Reply") , so that we can get a "BabyAngel" discussion going, and help you along better. 
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman
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