A 1400-seat theater sells two types of tickets for a concert. Premium seats sell for $40 each
and regular seats sell for $30 each. At one event $47,580 was collected in ticket sales with 20
seats left unsold. How many of each type of ticket was sold?
Part 1 out of 2
There were
regular tickets sold.

1/3 + 1/5 = 8/15.

step-by-step explanation:

hope it

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 %