203.2 for the first one...and I am 100%sure about it... Because this is what you do to find it... you simply multiply 1016 with 8 and then you divide the answer by 40...easy,,
And for the second one.. it's 15:2 because you are dividing two with 15 students.
Hope it helped.
Please Choose me the brainliest, if you think I helped.