You will have to multiply 600 by 15%
600 x 0.15 = 90
600 + 90 = 690 Euro
The first one is 84 ounces and the second one is 20 ounces
Answer:
a² + 4 a + 4
Step-by-step explanation:
( a + 2 ) ( a + 2 )
Expand brackets
a² + 2 a + 2 a + 4
Simplify
a² + 4 a + 4
120 grams half life at 45 days would be 60 then half life of 60 in another 45 days (90 total) should be 30 grams
