A is 69000 I hope you do good on your test/homework
because partial 1(a) and partial 1(b) are the same.
She got $30, because 10 is 1/3 of 30. Think of it like this. What's 10·3? If it was 1/6, she would have 60 dollars, because 10<span>·6 is 60.</span> The equation here, if your teacher is asking for that, would be (x/3=10), or (10·1/3=x). X represents the variable.