Okay, I'm not sure what you're asking....
So she has 6 granite, 3 marble, 14 sandstone, 1 slate.
6+3+14+1 is 24.
She has 24 rocks.
Answer:
are you supposed to add them all together? If so, it's 28.
Explanation:
3+1=4
6+4=10
10+14=28
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