If I invested part of my 10,000 dollars in an account that earned 3.1% interest for one year, and the other part at 2.6% for one year, how much had I invested in each account if the total interest from both accounts is 3000?

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step-by-step explanation:

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b