Everything in the thrift shop was 3 dollars. you bought 3 erasers and a bag full of key chains. you lost the receipt and remember that your total was 108 dollars how many key chains was in the bag.(how do you put that into an equation)

27 keychains where in the bag

Step-by-step explanation:

108 ÷ 3 - 9 = 27

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 %

it is a secret for it not to be compromised sorry

step-by-step explanation: