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Please help asap please!!!!

Please Help Asap Please class=

Sagot :

period = p

p = 20

to find number of periods in some amount of years, divide by 20

for example, in 20 years, divide by 20.  20/20 = 1.   1 period in 20 years

460/20 = 23

it takes 23 periods for the plastic bottle to decompose in the landfill

hope this helps,

Jeron

:)