Solve for x in the following figure

x = 80

Step-by-step explanation:

∡KJL = 180 - (60 + 40)

∡KJL = 80

∡XJK + ∡KJL = 180  (they are a linear pair of angles)

x + 20 + 80 = 180

x + 100 = 180

x = 80  

step-by-step explanation:

i think you should think about the question and not look online.

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.