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Science-Related Homework Help Mathematics Topic started by: majarm on Nov 25, 2017



Title: Tommy Hughes invested $10 000 in a business on January 1. He withdrew $1000 on March 1, reinvested ...
Post by: majarm on Nov 25, 2017
Tommy Hughes invested $10 000 in a business on January 1. He withdrew $1000 on March 1, reinvested $5000 on July 1, and withdrew $4000 on October 1. What is Tommy's average monthly investment balance for the year?


Title: Re: Tommy Hughes invested $10 000 in a business on January 1. He withdrew $1000 on March 1, ...
Post by: yacom on Nov 25, 2017
Weighted investment:
January 1 - February 28:   10000 × 2/12 = 1666.6700
March 1 - June 30:     9000 × 4/12 = 3000.0000
August 1 - August 31:   14000 × 3/12 = 3500.0000
September 1 - December 31:   10000 × 3/12 = 2500.0000
Average investment balance =   $10666.67