Oh my gosh, can anyone help me with math please?
By wellinformed
@wellinformed (72)
China
March 3, 2009 11:18pm CST
1. Suppose that the population of a city was 1000 at the beginning of one year. If the population increased by 10% that year and by 7% the following year, what was the population at the end of two years?
2. You need to put carpet in a room that measures 12 feet by 18 feet at a cost of $27 per square yard. How much will the carpet cost?
3. A sign on a rising mountain road says that it has a grade of 20%. What is the slope of the road?
1 response
@peacemaker09 (13)
• China
4 Mar 09
i can give you the answers, but i am confused about why so many student have difficult with math.
1.1000*(1+10%)*(1+7%)
2. (12*3)*(18*3)/27
3. 0.2
