Under a dilation, the point (6,18) is moved to (3,9).
what is the scale factor of dilation?
a. 0.2
b. 0.5
c. 2.0
d. 3.0

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.

answer:   c ?

step-by-step explanation: