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Oksi-84 [34.3K]
3 years ago
11

Every ninth person in line at a movie theater gets free popcorn. Every sixth person gets free apple juice. Shani says that the t

hirty-sixth customer will be the first customer to get both free popcorn and apple juice. Is she right? If not, describe her mistake

Mathematics
1 answer:
uysha [10]3 years ago
8 0
No, Shani is not right.
The 1st customer to get popcorn and apple juice is the 18th customer.
She missed that 18 is a common multiple of 6 & 9

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Rosa has $117 in her savings account and $95 in her checking account. Each week she will put $21 into her savings account and $2
mr_godi [17]

Answer:

It will take Rosa 5 and a half (5.5) weeks to have the same amount of money in both accounts.

Step-by-step explanation:

For this problem, we will have to set two expressions equal to each other. The first expression will represent Rosa's saving account, which already has $117 in it. Every week (x), she adds $21 to her savings account:

21x+117

The second expression will represent Rosa's checking account. Rosa's checking account already has $95 in it. Every week (x), she adds $25 to her checking account:

25x+95

Now that we have our two expressions, set them equal to each other. This is our equation that will be used to find the number of weeks (x) it takes until Rosha has the same amount of money in both accounts:

21x+117=25x+95

Subtract 21x from both sides of the equation:

117=4x+95

Subtract 95 from both sides of the equation:

22=4x

Divide both sides of the equation by the coefficient of x, which is 4:

5.5=x

x=5.5

So it will take five and a half weeks for her accounts to have the same amount of money.

_

Check your work by substituting 5.5 into the initial equation:

21(5.5)+117=25(5.5)+95

115.5+117=137.5+95

232.5=232.5

Since the accounts have the same amount, the answer is correct!

6 0
3 years ago
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Alika [10]
I think the answer is c
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25% of students in 8th grade play an instrument. How many students play an instrument if there are 200 students in 8th grade.
Shalnov [3]
50 students play an instrument
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Please help me out! this is from a study guide for my quiz today!
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Answer:

71

Step-by-step explanation:

the rule is +5

21, 26, 31, 36, 41, 46, 51, 56, 61, 66, 71

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PLEASE HELP FIND THE SUM OF THE FUNCTION ON THE GRAPH!! Easy and Quick.
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The answer is D based on the graph
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