How many factors of 2020 have more than 3 factors? (As an example, 12 has 6 factors, namely 1, 2, 3, 4, 6, and 12.)

and has more than factors.

Step-by-step explanation:

Given: A number

To find: How many factors of have more than 3 factors?

Solution:

We have,

Factors of are

Now, we have to find the number of factors that has more than factors. So, let us consider each factor of one by one.

Factor of

Factors of

Factors of

Factors of    

Factors of

Factors of

Factors of

Factors of

Factors of

Factors of

Factors of

Clearly, and has more than factors.

Hence, and has more than factors.

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.