What is 4-5 as a percentage
2 answers:
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Answer:
1. 5 hours
2. 4 hours
Reason:
Formula for speed is speed = , if you want to find time, then take distance / speed, which will equal to 100 / 20 = 5 hours, and the same with 2.
A=A₀
A/A₀=24%=0.24
0.24=
0.000121t=ln(0.24)
t=ln(0.24)/0.000121
=-11794.35
so painting is 11794 years old
A/A₀=24%=0.24
0.24=
0.000121t=ln(0.24)
t=ln(0.24)/0.000121
=-11794.35
so painting is 11794 years old