Answer:
C. 67 mph
Step-by-step explanation:
The speedometer reports speed based on the number of revolutions the tire makes in a given time period. If the motorcycle travels 28/25 times as far on each revolution, its speed is 28/25 times as great.
(28/25)(60 mph) = 67.2 mph ≈ 67 mph
_____
The distance traveled is proportional to the circumference of the tire, which is proportional to the diameter. Hence, actual speed for a given speedometer reading is proportional to the diameter of the tire.
Answer:
b=3a
Step-by-step explanation:
1/3b times 3 = b
a times 3 = 3a
Answer:
$1977.95
Step-by-step explanation:
$30000*.05*5=$7500 (simple interest)
$30000*1.04^7=$39477.95-$30000=$9477.95 (compound interest)
$9477.95-$7500.00=$1977.95
To solve this problem you must apply the proccedure shown below:
1. You must apply the following formula:
Where is the future value, is the present value, is the interest rate and is the time in years.
2. You have that the bank will double your money in years. Therefore:
3. Substitute values into the formula and solve for , as following:
4. By applying natural logarithm, you have:
%
The answer is: %
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