Answer:
0.10 or 10%
Step-by-step explanation:
Since each student must take at least 2 courses, if no student took all three courses, the sum of the percentages would total 200% (counting each student twice). Therefore, the proportion of students taking all three courses is the difference between the sum of all percentages and 200%:

0.10 or 10% of the students take all 3 courses.
Answer:
13818
I think that is your answer
Answer:
20,000
Step-by-step explanation:
400,000 Digit 4
20,000 Digit 2
5,000 Digit 5
600 Digit 6
<u>+ 90</u> Digit 9 (And 0)
425,690
Answer: Yes
Step-by-step explanation:
5(-2) + 4(7) = 18
-10 + 28 = 18
28 - 10 =18
18=18
Answer:
She has 6 quarters and 1 nickel
Step-by-step explanation:
6 quarters = $1.50
1 nickel = 5c
add those together you get $1.55
and only 7 coins