theres 1000 students in total. At 8am 93 students heard the rumor, by 12, 1/2 the school has heard it. ,how much time passes before 90% of the students will have heard the rumor?

Answer 1

Assuming the rumor spreads exponentially

500 = 93e^4k

5.3763 ≈ e^4k

ln 5.3783 ≈ 4k

Can you solve for k and answer?