6.5%=.065
.065/12=0.00541666666666666666666666666667/month
3 years = 36 months
(1+0.00541666666666666666666666666667)^36=1.2146716269797335689295444127607
1.2146716269797335689295444127607 x 12500=$15183.40 in the account after 3 years
15183.40-12500=$2683.40 in interest earned
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Answer:
The charges will be the same after 10 miles.
Step-by-step explanation:
Long Beach Towing Company:
Charges $40 plus $5 per mile. So after x miles, the charge will be of:

Five-Star Towing Company:
Chargers of $70 plus $2 per mile. So after x miles, the charge will be of:

After how many miles the charges for the two companied will be the same?
This is x for which:

So





The charges will be the same after 10 miles.
60 divided by 1/5 (.2) is 300
To find this answer, we need to multiply 3.57 by 12.

Therefore, 12 planks will cost $42.84.