Answer the following question.
Polly the parakeet tweets all day long. When she is happy, she tweets 18 times per minute. When she is hungry, she tweets 4 times per minute. And when she watches herself in the mirror, she tweets 45 times per minute. During a time period where she is happy for 20 minutes, hungry for 20 minutes, and watches her reflection for 20 minutes, what is the total number of times she will tweet?
Step-by-step reasoning process: In 20 minutes, she happy tweets for 20 * 18 = 360 times. In 20 minutes, she hungry - tweets for 20 * 4 = 80 times. In 20 minutes, she tweets at her reflection 20 * 45 = 900 times. Altogether, she tweets 360 + 80 + 900 = 1340 times.
The answer is 1340.

Answer the following question.
On the first day of the garden center sale, 14 marigolds were sold. The next day 25 more marigolds were sold. On the third day the center sold two times the number of marigolds it did on the day before. How many marigolds were sold during the sale?
Step-by-step reasoning process: When you add the first two days you get 14 + 25 = 39 marigolds. On the third day they sold 25 * 2 = 50 marigolds. During the three day sale 39 + 50 = 89 marigolds were sold.
The answer is 89.

Answer the following question.
Tara's parents gave her $90 for her birthday. Not wanting to spend it, Tara put the money in a new bank account that gains 10% interest annually. If she doesn't withdraw the money at all, how much will she have after a year?
Step-by-step reasoning process: In one year, Tara's account will yield an interest of 10 / 100 * 90 = 9 dollars. The total in her account will therefore be 90 + 9 = 99 dollars.
The answer is 99.

Answer the following question.
Sam shared a sum of money between his three cousins Sandra, Amy and Ruth in the ratio 2:1:3 respectively. If Amy got $50, how much did Sandra get?

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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Step-by-step reasoning process: Going by the ratio, for every 1 part that Amy gets, Sandra will get 2 parts. Since Amy got $50, Sandra will get 2 * $50 = $100.
The answer is 100.