What is the mean of the data set?
17, 24, 26, 13

20

Step-by-step explanation:

To find the mean, add up all the numbers and divide by the number of points

mean = (17+24+26+13)/4

          =80/4

          =20

answer: give more info

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.