a = b - 3000
.07a + .03b = 1390
.07(b - 3000) + .03b = 1390
.07b - 210 + .03b = 1390
.1b = 1600
b = 16000
a = 16000 - 3000 = 13000
$13000. Have a nice day.
Kiaa D.
asked 02/12/17Keiko invested her savings in two investment funds. The amount she invested in Fund A was $3000 less than the amount she invested in Fund B. Fund A returned a 7% profit and Fund B returned a 3% profit. How much did she invest in Fund A, if the total profit from the two funds together was $1390 ?
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