<em>The answer is 25.12 exactly</em>
(-30 km/h) -(45 km/h) = -75 km/h . . . . . east is positive here
The velocity changed 75 km/h to the west.
Answer:
6
Step-by-step explanation:
y + 1
= 7
y +
= 
y = 40/6 = 20/3 = 6
Simply cross multiply the proportion of
6/27= x/81 do 6•81 divided my 27 for your answer which is 18