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Answer :
Answer:
24weeks
Step-by-step explanation:
So if she spends 5$ three times a week she spends 15$ a week
She babysits once a week for 40$
That means that she saves 25$ from babystitting each week
As she already has saved 200$, she only lacks 600$ for the purchase
600$ / (25$/week) = 24 weeks
If she stops buying coffee it will instead only take her 15 weeks to buy a new laptop
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Rewritten by : Barada
It will take Marina 6 months to save enough money to buy the laptop.
To determine how many months Marina will take to save enough money for the new laptop, we need to calculate her weekly and monthly savings after accounting for her expenses.
Step 1: Calculate weekly savings
Marina earns $40 per babysitting night. She works once a week, so her weekly earnings are $40.
She spends $5 on a latte three times a week, totaling $15. So, her weekly savings are:
Weekly savings = Weekly earnings - Weekly expenses
Weekly savings = $40 - $15 = $25
Step 2: Calculate monthly savings
There are about 4 weeks in a month, so:
Monthly savings = Weekly savings × 4
Monthly savings = $25 × 4 = $100
Step 3: Determine the amount left to save
Marina's laptop costs $800, and she has already saved $200, so:
Amount left to save = Total cost - Initial savings
Amount left to save = $800 - $200 = $600
Step 4: Calculate the number of months needed to save
Number of months = Amount left to save / Monthly savings
Number of months = $600 / $100 = 6 months
So, it will take Marina 6 months to save enough money to buy the laptop.
