Answer:
when she sold 10 cards, it will cover all her cost.
Step-by-step explanation:
Profit(without charge of booth)=5x-2x
Profit=3x-30
Calculating:
3x=30
x=10
Ln(56) = 4x-9
ln(56) + 9 = 4x
(ln(56) + 9)/4 = x
Please read the attached file
Answer:
11 is the atomic mass of the atom.
Step-by-step explanation:
To find atomic mass, add the amount of the protons and neutrons together.
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64 divided by 4 is 16. The answer is 16 I believe!
Edit: I realized you were asking for the cost. That would be 48. 64 - 16 = 48.
