Porter is a plumber, and his coworker Brennan is an electrician. Porter charges customers a fee of $150 just to come to their houses and then $2 per minute that he is there. Brennan also
charges a fee of $100 for a home visit, plus an additional $3 per minute. Last week the coworkers
went to a job site together, spent the same amount of time working, and earned the same
amount. How much did each one earn?

i dont know

step-by-step explanation:

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %

step-by-step explanation: