Posted by jessica on Wednesday, February 1, 2012 at 9:27pm.
looks like an arithmetic series
sum of terms of AS = (n/2)(first + last)
= (15/2)(15+1) = 120
check:
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15 = 120
Related Questions
math - a grocery store display consists of cases of soda. there are 15 cases at ...
Business Law - Grocery, Inc. has a written contract with Cereal, Inc. to ...
math - Palmer Cheese Company is a small manufacturer of several different cheese...
calculus - A party store ordered 50 cases of balloons. The number of cases in ...
math 12 - without looking at cases Jamie just puts the CDs into cases. The cases...
Calculus - a local office supply store has an annual demand for 50,000 cases of...
government - the president's clemency powers apply only to a. criminal cases...
Math - The shipping department must send out 50 cases of footballs. Five stores ...
Math - An electronics firm uses 600 cases of transistors each year. The cost of ...
math - Lehen Vinters imports a certain brand of beer. The demand, which may be ...
For Further Reading