Abank loaned out $21,500 , part of it at the rate of 11% annual interest, and the rest at 10% annual interest. the total interest earned for both loans was $2,340.00 . how much was loaned at each rate?

was loaned at 11%
was loaned at 10%

The loaned amount at 11 % is $ 19,000

The loaned amount at 10 % is $ 2,500

Step-by-step explanation:

Given as :

The total loan amount = $21,500

The total interest earn = $2,340.00

The rate of interest are 11 %  and 10 %

Let The loan amount at 11 % rate = $P

and The loan amount at 10 % rate = $21,500 - $P

Let The loan took for 1 year

Now, From Simple Interest method

Simple Interest =

=

Or, =

Similarly

=

∵   +   =  $2,340

Or, + = $2,340

Or, 11 P - 10 P + 215000 = 234000

Or, P = 234000 - 215000

∴ P = $ 19,000

And $21,500 - $ 19,000 = $ 2,500

Hence The loaned amount at 11 % is $ 19,000

And     The loaned amount at 10 % is $ 2,500    Answer

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