Mary and Tom were buying a present for their mother for Mother's Day. Mary spent $12 and Tom spent $28. If they want to share th
2 answers:
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Answer:
Step-by-step explanation:
Equation:
1). →
2). ∴
3).
4). now plug into
5). Minimum (0,-5) ∴
240 days is 4 times the half-life, which means that a sample of 1000 mg will decay to
after 240 days.