The third deposit that Apex Savings Bank received was $17,900. If Apex Savings Bank was free to loan out $17,452.50, what was the reserve rate at the time? How much was it required to keep on reserve?

the answer is 21%.

c. 6tan80

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