Answer:
$6,376.59
Step-by-step explanation:
Using the compound interest formula;
A = P(1+r/n)^nt
A = 6000(1+0.056/(1/3))^(0.056)(7)
A = 6000(1+0.056(3))^0.392
A = 6000(1+0.168)^0.392
A = 6000(1.168)^0.392
A = 6000(1.06277)
A = $6,376.59
Hence the balance in his account after 7 years is $6,376.59
Answer:
B.
Step-by-step explanation:
It is the right answer, I promise.
129
Find 10% (30) then times by 4 to find 40% (120)
Find 1% (3) then times by 3 to find 3% (9)
Add the 40% to the 3% (120 + 9)
= 129
