Is 2.060060006... a irrational or rational number and please explain

Irrational

Step-by-step explanation:

2.060060006... never ends, thus it is an irrational number

an irrational number is a number that can not be expressed by a fraction of two integers

you can tell it never ends because of the addition of ... at the end of the number

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.