Problema Solution
Sally invested her savings into two investment funds. the $6000 that she invested in Fund A returned a 10% profit. The amount that she invested in Fund B returned a 3% profit. How much did she invest in Fund B, if both funds together returned a 5% profit?
Answer provided by our tutors
let
b = the money invested in Fund B
0.10*6000 + 0.03*b = 0.05(6000 + b)
by solving we find
b = $15,000
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Sally invested $15,000 in the Fund B.