Sally borrowed $9,000 from the bank to buy a new car. She has to pay back the money in 5 years. After 5 years, she will owe $1,800 in interest. What the simple interest rate on her loan? *

the answer to the expression is 83

there are no answer choices

step-by-step explanation:

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629