A group of 55 pupils were asked if they owned a phone or a tablet. 11 said they owned both 18 said they only owned a tablet 34 said they owned at least a phone A student is picked a random, what is the probability that the student doesn’t have a phone or tablet? Give your answer as a fraction in its simplest form.

1/4 and 8/3 because:

the reciprocal if 4 is 1/4 because 4 is used as 4/1 and the opposite of that is 1/4. the opposite of 3/8 is 8/3 so that is the answer.

7 weeks

step-by-step explanation:

convert each fraction to the least common multiple of 20, so 3/4 = 15/20 & 1/10 = 2/20, then divide 15 by 2 and you get a little over 7, so the food will last 7 weeks.

k

step-by-step explanation:

domit