An investor remarks to a stockbroker that all her stock holdings are in three companies, BHP, AMP and Western Mining. She also mentioned that two days ago the value of her stocks went down $3250, and yesterday the value decreased by $2350. The broker recalls that two days ago the price of BHP stock dropped by $1.50 per share, AMP dropped by $1.00, and Western Mining dropped by $0.50. The broker also remembers that yesterday the price of BHP stock dropped by $1.00, there was a further drop $0.50 in AMP stock and Western Mining dropped $1.50.
Show that the broker does not have enough information to calculate the number of shares the investor owns in each company. If the investor also tells the broker she has 1100 shares in Western Mining, calculate the number of shares the investor owns in BHP and AMP.
Show that the broker does not have enough information to calculate the number of shares the investor owns in each company. If the investor also tells the broker she has 1100 shares in Western Mining, calculate the number of shares the investor owns in BHP and AMP.