Question

Layla was given a choice from her mother. Either to rent the bike, or to sell it. Layla is trying to get the most profit, so she can buy a barbie. The barbie costs $12.99.

PART A: In order to get the most money, Layla decides to rent the bike out for x dollars per hour. She decides to rent it out for one week, by the end of the month, she has $900. How much does she get each day? (Note: The month has 30 days.)

PART B: Now, if Layla rents her bike out for 5 hours a day, for 30 days, how much money does she get per hour?

PART C: Layla's mother told her, any money left over, she could buy more Barbie dolls. How many more Barbie dolls can she buy, and how much money is left over

Answer 1

PART A: To find out how much Layla gets each day, we can divide the total amount she earned ($900) by the number of days in the month (30):

$900 / 30 days = $30 per day.

PART B: If Layla earns $900 by renting the bike out for 5 hours a day for 30 days, we can first find her total earnings:
Earnings per day = $x (per hour) * 5 hours = $5x
Total earnings for 30 days = $5x * 30 = $150x

Now, we know that $150x = $900. Solving for x:
x = $900 / $150 = $6 per hour.

PART C: Layla earns $6 per hour by renting the bike. The cost of the Barbie is $12.99. Let's find out how many hours she needs to work to afford the Barbie:
Hours needed = Cost of Barbie / Earnings per hour = $12.99 / $6 ≈ 2.165 (approximately)

Since she can't work a fraction of an hour, she would need to work for at least 3 hours to afford the Barbie. After buying the Barbie, she would have earned:
Remaining earnings = Total earnings - Cost of Barbie = $900 - $12.99 ≈ $887.01

Layla could buy more Barbie dolls with the remaining money. The cost of each additional Barbie is $12.99, so the number of additional Barbies she can buy is:
Additional Barbies = Remaining earnings / Cost of one Barbie = $887.01 / $12.99 ≈ 68.

So, Layla can buy 68 more Barbie dolls, and she would have approximately $0.04 left over.

Answer 2

Layla earns $30 per day by renting out the bike. Layla earns $6 per hour by renting out the bike for 5 hours a day over 30 days.

Explanation:

PART A:

Layla rents the bike out for one week, which is 7 days. She earns a total of $900 by the end of the month.

To find out how much she earns each day, we divide the total earnings by the number of days:

Earnings per day = Total earnings / Number of days

Earnings per day = $900 / 30 days

Earnings per day = $30

So, Layla earns $30 per day by renting out the bike.

PART B:

Now, Layla is renting her bike out for 5 hours a day, for 30 days.

To find out how much money she gets per hour, we need to divide the total earnings by the total number of hours:

Earnings per hour = Total earnings / Total hours

Total hours = 5 hours/day * 30 days = 150 hours

Earnings per hour = $900 / 150 hours

Earnings per hour = $6

So, Layla earns $6 per hour by renting out the bike for 5 hours a day over 30 days.