Answer:
2n+7
Step-by-step explanation:
7 more than twice n would be:
2n+7
this is because twice n would mean that you'd multiply n by 2, and by 7 more than they mean you would add 7 to that.
Answer:
11 3/4 miles
Step-by-step explanation:
1 5/8 is the pattern so add 8 1/2 + 1 5/8 + 1 5/8 = 11 3/4 miles
Answer:
1000 times
Step-by-step explanation:
Place value of 8 in 89.7 = 80
Place value of 8 in 0.08= 0.08 (8 hundredths)

Thus, the digit 8 in 89.7 is 1000 times bigger than the digit 8 in 0.08.
Answer:
225 students scored 65 or better and 75 students scored 88 or better.
Step-by-step explanation:
We are given that The five-number summary for the scores of 300 nursing students are given :
Minimum = 40

Median = 82

Maximum = 100
is the first quartile and is the median of the lower half of the data set. 25% of the numbers in the data set lie below
and about 75% lie above
.
is the third quartile and is the median of the upper half of the data set. 75% of the numbers in the data set lie below
and about 25% lie above 
i) .About how many students scored 65 or better?

Since we know that 75% lie above
.
So, Number of students scored 65 or better = 
ii)About how many students scored 88 or better?

Since we know that 25% lie above
So, Number of students scored 88 or better = 
Hence 225 students scored 65 or better and 75 students scored 88 or better.