Marsha has two numbers, $a$ and $b$.  When she divides $a$ by 70 she gets a remainder of 64.  When she divides $b$ by 105 she gets a remainder of 99.  What remainder does she get when she divides $a+b$ by 35?
Question:
Marsha has two numbers, $a$ and $b$.  When she divides $a$ by 70 she gets a remainder of 64.  When she divides $b$ by 105 she gets a remainder of 99.  What remainder does she get when she divides $a+b$ by 35?
Answer:
Let's think step by step.

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Marsha has two numbers, $a$ and $b$.  When she divides $a$ by 70 she gets a remainder of 64.  When she divides $b$ by 105 she gets a remainder of 99.  What remainder does she get when she divides $a+b$ by 35?
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