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Fittoniya [83]
2 years ago
14

PLZ ANSWER FAST!!!!! Mr. Miller took a poll of which students in his class have gone to a water park. If 7/9 of his class have v

isited a water park for a total of 21 students, then how many total students are in Mr. Miller's class?
Mathematics
2 answers:
Scilla [17]2 years ago
7 0

Answer:

27

Step-by-step explanation:

Let x be the total number of students. So, turning the words of the problem into an equation, we get:

7/9x = 21,

then, 7x = 189

so, x = 27.

hammer [34]2 years ago
5 0

Answer:

29 students

Step-by-step explanation:

divide by 7 to get 1/9 then multiply by 9 to get total.

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Brilliant_brown [7]

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Please help. I am so confused.
Allushta [10]

The fourth proportional is found by applying the formula

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The fourth proportional is equal to bc/a and st/r

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Similarly

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Find out more about ratio and proportions

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