19 Nina has some money saved for a vacation she has planned. The vacation will cost a total of \( \$ 1600 \). - She will put \( \$ 150 \) every week Into her account to help pay for the vacation. She will have enough money for the vacation in 8 weeks. If Nina was able to save \( \$ 200 \) a week Instead of \( \$ 150 \) a week, how many fewer weeks would it take her to save enough money for the vacation? Enter the result in the response box. N
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Beyond the Answer
To determine how many fewer weeks it would take Nina to save enough money if she saves \( \$ 200 \) a week instead of \( \$ 150 \), we first calculate how much total money she will save with both saving rates. 1. Using the original saving rate: - Total savings needed: \( \$ 1600 \) - Savings per week: \( \$ 150 \) - Weeks needed: \( 1600 ÷ 150 = \approx 10.67 \) weeks, which aligns with the fact that she will have enough in 8 weeks (not accounting for her starting amount). 2. Now with the \( \$ 200 \) per week rate: - Weeks needed to save \( \$ 1600 \): \( 1600 ÷ 200 = 8 \) weeks. Now, comparing with the original 10.67 weeks, she would save in \( 8 - 10.67 = -2.67 \) weeks. Therefore: It would take Nina approximately 2.67 fewer weeks to save the same amount of money at a rate of \( \$ 200 \) per week. Thus, the answer is: **Approximately 2.67 weeks.**
