<!DOCTYPE html> <html> <body> <script> // // Write a function that calculates the amount of money...

Question

Question

<!DOCTYPE html> <html> <body> <script> // // Write a function that calculates the amount of money...

<!DOCTYPE html>

<html>

<body>

//

// Write a function that calculates the amount of money a person would earn over

// a period of years if his or her salary is one penny the first day, two pennies

// the second day, and continues to double each day. The program should ask the

// user for the number of years and call the function which will return the total

// money earned in dollars and cents, not pennies. Assume there are 365 days

// in a year.

//

function totalEarned(years) {

/////////////////////////////////////////////////////////////////////////////////

// Insert your code between here and the next comment block. Do not alter //

// any code in any other part of this file. //

/////////////////////////////////////////////////////////////////////////////////

// Insert your code between here and the previous comment block. Do not alter //

// any code in any other part of this file. //

/////////////////////////////////////////////////////////////////////////////////

}

var years = parseInt(prompt('How many years will you work for pennies a day? '));

var totalDollarsEarned = totalEarned(years);

alert('Over a total of ' + years + ', you will have earned $' + totalDollarsEarned);

</script>

</body>

</html>

engineering Computer-Science

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Answer 1

Answer #1

ANSWER:

CODE:

<!DOCTYPE html>

<html>

<body>

function totalEarned(years) {
var amount=0

// converting years into days
var days=years*365;

// looping each day
for(i=0;i<days;i++){

// As the amount doubles we will write it as exponential of 2 and add it to total amount
amount += 2**(i);
}

// converting pennies to dollars
amount = amount/100;

return amount
}

var years = parseInt(prompt('How many years will you work for pennies a day? '));

var totalDollarsEarned = totalEarned(years);

alert('Over a total of ' + years + ', you will have earned $' + totalDollarsEarned);

</script>

</body>

</html>

RESULTS:

Over a total of 1, you will have earned $7.515336264876266e+107 Prevent this page from creating additional dialogs | OK Activ

NOTE:

As you can see from the results.

The Question might not be accurate as doubling the amount each day we result in an amount of

5764607523034235$ - on the last day of 2nd month(60th day) itself.

And if we continue so on the amount will be so large that it is not possible for the browser to display and it shows infinity.

SUGGESTION:

We can consider numbers days as input instead of years from the user. It would greatly decrease the shear size of the output and also might be more useful than the original question.

The output in this case after 5days is as follows.

How many years will you work for pennies a day? 51 Prevent this page from creating additional dialogs OK Cancel Activate Wind

Over a total of 5, you will have earned $0.31 Prevent this page from creating additional dialogs OK Activate Windows Go to Se

Add a comment

Answer 2

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