I need help questions 12,13,14,15,16 Make sure show your work make the answers f

Question

I need help questions 12,13,14,15,16
Make sure show your work make the answers fully correct.

12. Nancy qualified for two loans that totaled $11,000.00. One loan charges 9% interest charged in the first year is $1, 150.00, how much was each loan? 13. A store is located in a state that requires 6% tax on all items sold. If the store interest per year and the other charges 11% interest per year. If the total brings in $3, 392.00 in one day, how much of the total was sales tax? 14. Solve the inequality 4r - 9 2 7x 21. Graph the solution and write your answer in interval notation 15. Solve the inequality 3x - 22 4x +3. Graph the solution and write your answer in interval notation 2.x +3 answer in interval notation 17. Solve the inequality 3x 4 16. Solve the inequality + 4

Explanation / Answer

12.)

A = amount at 9%

B = amount at 11%

A + B = $11000

A = $11000 - B

0.09A + 0.11B = $1150

Substitute A

0.09($11000 - B) + 0.11B = $1150

$990 - 0.09B + 0.11B = $1150

0.02B = $160

B = $8000 (amount at 11%)

A = $11000 - $8000

A = $3000 (amount at 9%)

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