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# Help!

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The price of a stock increased by \$3/day for six days, then decreased by \$2/day for three days and then decreased by \$5/day for two more days. If the final price of the stock was \$39, what was its starting price?

Guest Jun 18, 2017
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#1
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\$3 x 6 = \$18 increase in the price of the stock.

[\$2 x 3] + [\$5 x 2] = \$6 + \$10 =\$16 decrease in stock price.

Let the starting price =P

P + \$18 - \$16 = \$39

P =\$39 -\$18 + \$16 =\$37 - The starting price of the stock.

Guest Jun 18, 2017
#2
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Let the starting price be x

Satrting Value=x

The price of a stock increased by \$3/day for six days,

new value = x+3*6 = x+18

then decreased by \$2/day for three days

new value = x+18 - 2*3 = x+12

and then decreased by \$5/day for two more days.

new value = x+12 -5*2 = x+2

If the final price of the stock was \$39, what was its starting price?

x+2=39

x=37

The starting price was \$37

Melody  Oct 26, 2017

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