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Rachel Franklin has $19,000 invested in stock A and stock B. Stock A currently s

ID: 2923768 • Letter: R

Question

Rachel Franklin has $19,000 invested in stock A and stock B. Stock A currently sells for $50 a share and stock B sells for $70 a share. If stock B doubles in value and stock A goes up 50%, her stock will be worth $35,500. How many shares of each stock does she own?

Stock A currently sels for S50 a share and stock B sells for $7 a share. If stock B doubles in value nd stock A goes up 50% her stock will be worth S35500. How many shares of each stock does Rachel Franklin has $19 000 nvested in stock A and stock B she uI? Rachel owns 1 shares of stock and | | shares or stock B

Explanation / Answer

There are a stocks of A, b stocks of B.

aX+bY = 19000

a*50 + b*70 = 19000.............................1

a*100 + b*105 = 35500.........................2

Subtracting 2 from 2*1 ............... =

35b = 38000-35500 = 2500

b = 2500 / 35 = 71.428 stocks.......subbing in 1 and getting the value of a:

a = 280 stocks

She has 280 stocks of A and 71.428 or 72 stocks of B