Answer:
4 mo.
Step-by-step explanation:
I = PRT P = 600 R = .0375 I = 7.50
7.50 = 600(.0375)T
7.5 = 22.5T
T = 7.5/22.5 = 1/3 yr = 4 mo.
12
Factors of 30: 1,2,3,5,(6),10,15,30
Factors of 42: 1,2,3,(6),7,14,21,42
30 divided by 6, 42 divided by 6
(5) + (7)= 12
64
$230
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