Answer:
The dose in milligrams of a 6-year-old child is 60.
Step-by-step explanation:
The formula is:

We know that
A= adult dosage in milligrams=180 milligrams
a = age of the child = 6 years-old
So the child’s dosage in milligrams is:




Answer:
15 students still haven't given their speeches
Step-by-step explanation:
2/3 of 60 is 40
60 - 40 = 20 left
1/4 of 20 is 5
20 - 5 = 15
15 students still haven't given their speeches
-1 > -2(x-4) - 5(4x - 7)
-1 > -2x + 8 - 20x + 35
-1 > -22x + 43
-1 - 43 > - 22x
-44 > - 22x
-44/-22 < x
2 < x....or x > 2