Jackson practices piano four times a week he practices for 40 minutes each time how many minutes does Jackson practice until weeks

160 min or 2.66666667 hours per a week

Step-by-step explanation:

its very simple

40*4=160

hope I helped :)

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 only things thain can be deafeated

step-by-step explanation: