What effect does replacement and non-replacement have on the probability? How does it effect the math?

in 4 days he will run   12/14

step-by-step explanation:

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: 8d

step-by-step explanation:

45+5= 50+5=55+5=60