Belleview High School has 12 chaperones for 186 students on a field trip. Which of the following schools has the same ratio of chaperones to students?

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

4444444444444 i think

11

step-by-step explanation:

32.50-7.50=25

225/25=11