You can write every speed as the ratio between the space and time, so in this case you have

Jill spent 19 1/4 hours doing homework last week.
Decrease = New number - Original Number
% Decrease =

× 100
Decrease = 9 - 12 = -3
% Decrease =

= -0.25 × 100 = -25
Your answer =
-25
Eight ones = 8
Six tens= 60
60 + 8 = 68
Answer: x= -2
Step-by-step explanation: first step is to add 7 to both sides. You’re left with -6x-22=5x. After this you’re going to add 6 to both sides. You get -22=11x. Now you divide both sides by 11 to get X by itself. You’re left with -2.