Answer:
0.25 milimeters
Step-by-step explanation:
We need 20 miligrams of a drug, and every milimeter we get 80 miligrams.The amount we need is 1/4 the amount of miligrams every milimeter (20/80)And so, we only need 1/4 of 1 milimeter, which is 0.25 milimetersHope this answer helps, I don't have much experience on brainly :)
Perimeter = 19.6 cm
Area = 9.3 cm squared
Perimeter: Add sides: 3.1 + 9.3 + 7.2 = 19.6
Area: 9.3 x 2 x 1/2 = 9.3
bcdf
here ya go
<u>it is 0.4</u>