A person is selected at random what is the probability that the person who was born on a weekday

b

step-by-step explanation:

multiply terms on numerator/ denominator by (x - 1)

= ← distribute numerator/ denominator

= ← simplify

=

= → b

i dont know

the number you are looking for is 154.

you could find this by simply multiplying together 2, 7, and 11, since they are the prime factors. thus making 154 the answer.

i hope this !

ken can walk dogs in 121212 hours.

step-by-step explanation:

this can be calculated by using ratios:

hint : if the answer asks for how many dogs then use the number of dogs as numerator and number of hours as denominator. if the answer asks for number of hours then use number of hours as numerator and number of dogs as denominator.

ratio of number of dogs walked per hour =

                                                                      =

which means ken can walk 455 dogs per hour.

to find how many dogs ken can walk in 121212 hours we have to multiply number of dogs ken can walk per hour by 121212.

⇒ dogs per hour * hours

= dogs

therefore,

ken can walk dogs in 121212 hours.