Answer:
83
Step-by-step explanation:
So there us 4 tests 3 of them are 90 to bring down the average to 88 you need to get a low mark. To get to that mark you plus all the 90s together and you add 82 then divide by 400 and times by 100 and that's how to get the answer
Answer:
980 students
Step-by-step explanation:
14/20=x/1400
cross multiplication and then u get the equatiton 20x=19600
solve and get 980
Answer:
29/35
Step-by-step explanation:
probability of choosing a boy or an A student = (boys + a students - a boys)/total -->
probability of choosing a boy or an A student = (17 + 20 - 8)/35 -->
probability of choosing a boy or an A student = 29/35
Answer:
The answer would be 76.36
Step-by-step explanation:
Even numbersso each dice has numbers1,2,3,4,5,6the eve numbers are2,4,6odd are others1,3,5so 1/2 are odd
therefor 1/2 of 60 is how many times it would get even1/2 of 60=1/2 times 60=30
No not good predicitionmy prediction would be 30 times