Answer:
13/20
Step-by-step explanation:
To find this, divide 13 by 20 to get .65
Hope this helped!
To model half-life, use the formula

. Here,

is the amount remaining after a length of time

.

is the amount that you start with.

is the half-life. You plug in 50 for

, 10 for

, and 25 for

. You get

.
Answer:
LN=10
Step-by-step explanation:
if LM = 5 and MN = 5 then LN=10
Answer:
Library's Area= 5200
Courthouse' Area= 5027
<u>Larry</u> is correct.
Step-by-step explanation: