A share of ABC stock was worth $60 in 2005 and only worth $45 in 2010.

Find the multiplier and the percent decrease.

2 answers

60 x = 45
x = .75
1.00 - .75 = .25 which is 25% down
To Find The Multiplier:

60•xˆ5=45 (Sixty multiplied by X to the Fifth power equals Forty-Five)

xˆ5=45/60 (X to the Fifth power equals Forty-five over sixty)

x=5√45/60 (X equals the Fifth root of Forty-five over sixty)

x=0.944