5t+8=43
Pleas some one explain I do not understand.

7

Step-by-step explanation:

5 times 7 is 35.

35 plus 8 is 43.

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 %

answer: answer is b.

[m < b = 120º]

step-by-step explanation: