Step-by-step explanation:
Let a be the total score of Div. A
Let b be the total score of Div. B
given,
as equation 1.
and
as equation 2.
Now multiply equation 2 by 1/20 to eliminate b to solve for a.
take this new equation as equation 3.
now we will use equation 1 + equation 3 to eliminate b to solve for a.
Div.A total score = 600
Average Score = Total Score / Number of students.
Answer:
B.
Step-by-step explanation:
The ratio of Claire's songs to her mother's songs = 3 : 2
A.
3 : 2 = 3/2
9 : 6 = 9/6 = 3/2
12 : 10 = 12/10 = 6/5
B.
3 : 2 = 3/2
6 : 4 = 6/4 = 3/2
15 : 10 = 15/10 = 3/2
C.
3 : 2 = 3/2
4 : 3 = 4/3
5 : 4 = 5/4
D.
3 : 2 = 3/2
4 : 6 = 4/6 = 2/3
20 : 30 = 20/30 = 2/3
The table which shows the correct ratio and two equivalent ratios is B
There are 5280 feet in a mile
Hope this helps!
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Answer:
first term = 2
second term = 5
Step-by-step explanation:
n = 1 ; 3n - 1 = 3*1 - 1 = 3 - 1 = 2
n=2; 3n -1 = 3*2 - 1 = 6- 1 = 5
Natasha had 42 cookies that she made for a bake sale. She sold 18 of them and now only has 24 cookies left to sell.
