A tractor-trailer travels 205.296 miles in 3.12 hours. What is the speed at which the tractor-trailer is traveling? 62.05 miles
2 answers:
Answer: 65.8 miles per hour
Step-by-step explanation:
Distance traveled by a tractor-trailer=205.296 miles
Time taken to travel the distance=3.12 hours
We know that speed=
Dividing 205596 by 3120, we get 65.8
Thus Speed= 65.8 miles per hour
Therefore, the tractor-trailer is traveling with a speed of 65.8 miles per hour.
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a. The interest earned will be $36.
b. The account balance will be $336.
Step-by-step Explanation:
Step 1:
The initial amount put into the account was $300.
This account has an interest rate of 4% every year. So we must calculate how much 4% of $300 is.
4% of $300 =
Step 2:
So for every year, the interest of $12 is added into the account. To calculate total interest we multiply this interest amount and the number of years.
So after 3 years
So account balance after 3 years .
So the interest earned is $36 and the account balance is $336 after three years.