Answer:
this may be correct answer .and sorry if it is wrong
Answer:
10
Step-by-step explanation:
(15 x 40) / (15+40)
solve inside the parenthesis:
600/60
divide:
10
Answer:
try the second one because it is the smallest and close togehet so maybe that means that the mean is closer to the number and it nots some outlier.
Step-by-step explanation:
Answer: The answer is 1,200 students.
Step-by-step explanation:
Well, 3/5 is 60%. So 60% + 15% is 75%. if the rest of the students are English revision then that is 25%. Since 25% is 40 and 25% times 3 is 75% then 40 times 3 would be the answer. The answer is 1,200 students.
180................................l.