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I would either round it to the 10th or 100th place.
1. 1,728
2. You can't tell because it doesn't say the amount one serving will serve, and how many servings she is serving, and how many people come to her party. Sorry!!
I hope I helped with the first one!
It' only 8 poins btw And there is not enough information but I try my best y = a times t y = 200 + 250 divided by 325 I believe these are the answers
Here, 2 1/4 r = 10
9/4 r = 10
r = 10*4 /9
r = 40 / 9
r = 4 4/9
In short, Your Answer would be Option C
Hope this helps!