Answer:
43
Step-by-step explanation:
<span>As we know that the
k = ln(2)/t½
so putting values
= ln(2)/5556 years
</span><span> =0.6931471/5556
</span> =0.0001247565yr⁻
91 divided by 7 is 13. so he can paint 13 in 1 week. 13 x 4 equals 52 so he can paint 52 portraits in 4 weeks.
Answer:
Step-by-step explanation:
C is the closet to the real answer and its a estimate so, C