Joanna went school supply shopping. She spent $25.51 on notebooks and pencils. Notebooks cost $2.41 each and pencils cost $1.08 each. She bought a total of 15 notebooks and pencils. How many of each did she buy?

Step-by-step explanatio

you can use a calculator!

21.4 i did it already for s1

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 %