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german
3 years ago
15

18 students at woodworth school. 1/2 as many girls as boys. how many girls

Mathematics
2 answers:
Ganezh [65]3 years ago
8 0
9 girls and 9 boys equals 18 students
alex41 [277]3 years ago
5 0

To solve this problem, let's write what we know:

18 students.

1/2 as many girls as boys.

So however many girls they have, there will be twice as many boys.

Let's try it out:

If there were 9 girls, there would be 18 boys, and a total of 27 students. That's too much.

If there were 4 girls, there would be 8 boys, and a total of 12 students. That's not enough.

Can you see a pattern? Try one more.

If there were 6 girls, there would be 12 boys, and a total of 18 students. Perfect!

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Answer:

Let number of weeks be x

10x = 200-150

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x=5

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Hope it helps

8 0
3 years ago
Two boats start their journey from the same point A and travel long directions AC and AD as shown below what is the distance CD
Olegator [25]

I think its B but ima have to check again and get back to you

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3 years ago
Read 2 more answers
Examine this system of equations. Which numbers can be multiplied by each equation so that when the two equations are added toge
aleksklad [387]

Answer:

The first equation must be multiplied by 18 and second equation must be multiplied by 8

Step-by-step explanation:

8 0
3 years ago
tabia stores her hair bands in a cube shaped container. the cube has a volume of 64 cubic inches. What is the lenght of the edge
xeze [42]

Answer:

The length of the edge of the cube = 4 inches

Step-by-step explanation:

* Lets describe the cube

- It has 6 faces all of them are squares

- It has 8 vertices

- It has 12 equal edges

∵ The volume of any formal solid = area of the base × height

∵ The base of the cube is a square

∴ Area base = L × L = L² ⇒ L is the length of the edge of it

∵ All edges are equal in length

∴ Its height = L

∴ The volume of the cube = L² × L = L³

* Now we have the volume and we want to find the

 length of the edges

∵ Its volume = 64 inches³

∴ 64 = L³

* Take cube root to the both sides

∴ ∛64 = ∛(L³)

∴ L = 4 inches

* The length of the edge of the cube = 4 inches

5 0
3 years ago
ammie pays $30 for a bag that she buys at a discount of 50%. What is the price of the bag without the discount? A. $30 B. $45 C.
Liula [17]

This would be C. 60$

This is because if she got the bag for 50% off, 30 divided by 2 is 15$, 45 divided by 2 is 22.5, 60 divided by 2 is 30$ so option C. Would be your answer.

7 0
3 years ago
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