SOLUTION: Anne divides 10,000Php in 2 investements, one at 10% and the other at 30%. Find how kuch is invested at each rate so that the investments produce the same income annually.

SOLUTION: Anne divides 10,000Php in 2 investements, one at 10% and the other at 30%. Find how kuch is invested at each rate so that the investments produce the same income annually.

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Question 1092036: Anne divides 10,000Php in 2 investements, one at 10% and the other at 30%. Find how kuch is invested at each rate so that the investments produce the same income annually.
Answer by ikleyn(53765) (Show Source): You can put this solution on YOUR website!
.
I can solve it mentally, without making calculations.

Php 7500 at 10% and Php 2500 at 30%.

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