Under her cell phone plan, Lily pays a flat cost of $55.50 per month and $4 per gigabyte. She wants to keep her bill at $63.10 per month. Write and solve an equation which can be used to
determine x, the number of gigabytes of data Lily can use while staying within her budget.

my answer is$ 12

step-by-step explanation:

because 15 -2=12

in if you ask questions, the points are taken from your total and given to the one who answered it..

so if i have 30 points and i ask a question for 5 points, then when someone asks a question i will lose 5 points and the answerer earns 5

happy to

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 %