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andriy [413]
3 years ago
6

When solving a system of equations, how do you determine which method to use?

Mathematics
1 answer:
bazaltina [42]3 years ago
5 0
Substitution is best to use one one or both equations is already solved for one of the variables. Elimitation can be use if all variables have a coefficient other than 1.
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You invested a total of $60,000 in 2 funds earning 8.5% and 10% simple interest. During 1 year, the 2 funds earned a total of $5
maksim [4K]

The amount invested in the fund earning 8.5% is $40,000 whereas $20,000 was invested in the fund earning 10%

What is the return on each fund?

The return on each fund is determined as the amount invested multiplied by the interest rate on the fund

;Let X be the amount invested at 8.5%

Interest=8.5%*X=0.085X

The interest of the fund  invested at 10%=($60,000-X)*10%

The interest of the fund  invested at 10%=$6000-0.10X

Total interest=0.085X+6000-0.10X

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5400=0.085X+6000-0.10X

5400=6000-0.015X

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amount invested at 10%=$20,000

Find out more about simple interest on:https://brainly.in/question/37840965

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