Question 362295
An investor placed her money in a venture paying 7% interest.  If she had another $1500, she would have been able to invest her money at 10% and gain an additional $255 in annual interest.  How much did she invest 
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let her invest $x
x+1500 @ 10% 
interest she would have gained = 255+0.07x
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(x+1500)*0.1=225+0.07x
0.1x+150=225+0.07x
0.1x-0.07x=225-150
0.03x=75
x=75/0.03
x=2500  amount she invested
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m.ananth@hotmail.ca