Ariana starts with 100 mg of a radioactive substance. The amount of the substance decreases by 20% each week for a number of wee
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1 answer:
Answer:
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Step-by-step explanation:
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0.43 oz
Hope this helps...
61 = 3b + 7
3b + 7 = 61
3b = 61 - 7
3b = 54
b = 54/3
b = 18.
C ; x must be greater than or equal to 52 because you have to be 52 inches or greater to ride this ride.
