You collect 30 pieces of Halloween candy and you give x pieces to friends. Your neighbor collects 45 pieces of candy and gives away
twice as many as you. If you end up with the same number of
pieces, how many did you give away?

15I think :>

Step-by-step explanation:

13875138answer:

step-by-step explanation:

use a calculator!

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)