Ben is 12 years older than Ishaan. Ben and Ishaan first met two years ago.
Three years ago, Ben was 4 times as
old as Ishaan.
How old is Ishaan now?

I think ishaan is 13

Step-by-step expla

12-3*4=40+3=43=ben

40/4=10+3=13=ishaan

594 square inches

step-by-step explanation:

vote !

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)