Mr. CRUISE invested in Fund X and Fund Y. The total amount she invested, in both funds combined, was $200,000. In one year, Fund X paid 48% and Fund Y paid 23%. The interest earned in Fund Y was exactly $100 greater than the interest earned in Fund X. How much did Ms. Tom invest in Fund X? Options
A) 34,234.78  B) 56,566.24  C) 34,565.54  D) 48,343.45  E) 69,545.45
X+Y=200,000   0.23Y=0.48A+100   Take away decimals first: 23Y+48X+10,000   Isolate first equation to solve for X (your goal): Y=200,000-Y   Plug in for B:   23(200,000-X)=43X+10,000   4,600,000-23X=43X+10,000   4,590,000=66X   4,590,000/66=X   X=69,545.45=Answer Choice 69,545.45
<result>E</result>
Mr. CRUISE invested in Fund X and Fund Y. The total amount she invested, in both funds combined, was $200,000. In one year, Fund X paid 48% and Fund Y paid 23%. The interest earned in Fund Y was exactly $100 greater than the interest earned in Fund X. How much did Ms. Tom invest in Fund X?