Scott had an average of 83 on his first three exams. he later scored an average of 92 on the next six exams. what is his average for all nine exams. round to the nearest tenth if necessary.

89

Step-by-step explanation:

Given scott had an average of 83 on his first three exams

i.e. the sum of first three exams

later he scored an average on the next six exams

i.e. the sum of later 6 exams is

therefore his average score is =

Thus his average score is 89

25 questions , because they start with 100.  

350-100=250 .  

. 250/10=25

step-by-step explanation:

first take off 100, then what x 10 = 250? that is your answer. (25)

after 1 year: 221 deer

step-by-step explanation:

30% of 170 is 51. 170+51=221