[Question]If Natasha was going 10 mph over the speed limit and it took her an hour to arrive at her destination that was 60 miles away, what was the speed limit?
[Answer]Natasha was driving at 60 miles / 1hr = 60 mph. The speed limit was 60mph - 10 mph = 50 mph. The answer is 50.
Q: Camille saw 3 cardinals and four times as many robins as cardinals while bird watching. She also saw twice as many blue jays as cardinals and 1 more than three times as many sparrows as cardinals. How many birds did Camille see?
A: Camille saw 3 x 4 = 12 robins. She also saw 3 x 2 = 6 blue jays. Triple the number of cardinals is 3 x 3 = 9. So, she saw 9 + 1 = 10 sparrows. Therefore, Camille saw 3 + 12 + 6 + 10 = 31 birds. The answer is 31.
Question: Noah is a painter. He paints pictures and sells them at the park. He charges $60 for a large painting and $30 for a small painting. Last month he sold eight large paintings and four small paintings. If he sold twice as much this month, how much is his sales for this month?
Answer: Noah earned $60 / large painting x 8 large paintings = $480 for the large paintings. He also earned $30 / small painting x 4 small paintings = $120 for the small paintings. His total sales last month were $480 + $120 = $600. So, his sales this month are $600 x 2 = $1200. The answer is 1200.
[Question]After receiving the $2000 stimulus check, Mr. Eithan decided to share the amount with his family. He gave 2/5 of the amount to his wife, 2/5 of the remaining amount to his first son, 40% of the remaining amount to his second son, and kept the remaining in their family savings account. Calculate the total amount he kept in the family's savings account.
[Answer]The total amount of money Mr. Eithan gave to his wife is 2 / 5 * 2000 = $800. After giving his wife $800, he remained with $2000 - $800 = $1200. He gave his first son 2 / 5 of the remaining amount which is 2 / 5 * $1200 = $480. The total amount remaining after he gave his first 2 / 5 of the amount is $1200 - $480 = $720. He then gave his second son 40 / 100 * 720 = $288 of the money. After giving his second son $288, the amount of money remaining that he saved in the family's saving account is $720 - $288 = $432. The answer is 432.
Q: Sunnyvale School was having a picnic. They wanted to make fruit punch. They had 4.5 liters of orange punch. They had twice as much cherry punch as orange punch and 1.5 liters less of apple juice than cherry punch. When they combined all of the fruit juices together, how many liters of fruit punch did they have?
A: Orange = 4.5 L. Cherry = 2 * 4.5 = 9 L. Apple = 9 - 1.5 = 7.5 L. Total punch = 4.5 + 9 + 7.5 = 21 L. They had 21 liters of fruit punch for the picnic. The answer is 21.
Question: After collecting all the old electronics in their house, Lauryn made $2000 from selling the items on eBay. If her friend Aurelia also made 70% of what she sold on eBay after selling her used electronics, calculate the total amount of money the two friends made on eBay.
Answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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If Lauryn made $2000 from eBay, then her friend made 70 / 100 * $2000 = $1400. In total, the two friends made $2000 + $1400 = $3400. The answer is 3400.