How much will the students save if they work together to install the grass themselves as opposef to having the landscaper install it $81.90

$273.00

$322.00

$354.90​

8

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 %

your answer is b.

x = 33.9

y = 65.6

step-by-step explanation: