9.66 - you just multiple 6 by 1.61
Answer:
4.25 grams
Step-by-step explanation:
100 / 5 = 20
85 / 20 = 4.25
4.25 grams of pure drug are in 85 milliliters of a solution.
13x - y = 19
-y = - 13x + 19
y = 13x + 19
Answer:
3/2
Step-by-step explanation:
Let it be
C (5;4) , A (2;1) ; B(7;6)
Suppose that C divide the line AB in ratio m/n from point A (AC is m, CB is n)
Use the formula xc=(m*xb+n*xa)/ (m+n)
5=(m*7+2n)/(m+n)
5m+5n= 7m+2n
2m=3n
m/n=3/2
Answer:
4 
Step-by-step explanation:
so we see a wholoe number "4", lets set that aside
we are left with 0.75 right
we can also write this as
75/100
we can simplify this by dividing 25 on both sides so it will becocme:
3/4
*Remember we have to bring the "4" we set aside earlier so final answer is*
4 and 3/4