A stockbroker trades stock for 100 days. On day 1 he loses $100. Every day after that, he loses $100 more than on the previous day. What is his average daily loss during the 100 – day period?
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2007-10-05 10:15:38 · 3 answers · asked by butterflyangel 3 in Science & Mathematics ➔ Mathematics
1st= 100*1
2nd= 100*+100*1=100*2
3rd=100*2+100=100*3
4th=100*3+100=100*4
.
100th=100*100
total loss=100*(1+2+3+4+....100)
average loss= total loss/100=(1+2+3+4+...100)
(1+2+3+4...+100)=(1+100)*(100/2)=101*50=5050
2007-10-05 10:27:00 · answer #1 · answered by dumber 2 · 0⤊ 0⤋
Total Loss $505,000.00
Average Daily Loss $5,050.00
RIGHT?
2007-10-05 10:30:49 · answer #2 · answered by Anonymous · 0⤊ 0⤋
All I can say is, THANK GOD he is not my broker.
2007-10-05 10:23:41 · answer #3 · answered by Mike 7 · 0⤊ 0⤋