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LUCKY_DIMON [66]
3 years ago
6

According to the school survey, 12% of the students at rock wood junior high school speak Spanish. There are 36 students at the

school who speak Spanish. How many students were surveyed?
Mathematics
1 answer:
exis [7]3 years ago
6 0

Answer:

They surveyed 300 students

Step-by-step explanation:

In order to find this, take the number who said they speak Spanish and then divide that number by the percentage.

36 students / 12% = 300 total students.

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2 years ago
Sarah answered 24 questions on her test correctly and earned an 80%. How many questions were on the test?
MaRussiya [10]

Answer:

43 questions in total

Step-by-step explanation:

the original equation with the unknown (total number of questions on the test) will look like this

\frac{total \: number \: of \: questions \: on \: exam}{24 \: answered \: questions}  = 80\%

we know this because to work out a percentage in the 1st place you need the total ÷ number (in this case it's ÷ how many questions out of the total she did answer)

now you rearrange.

you need to move the 24 to get the total on it's own here's how you do it

\frac{tot \: num \: of \: qs}{24}  \times 24 = 80\% \times 24

what you do to one side of equation you have to do to the other. the 24 and 24 on the left will cancel because 24÷24=1 and we don't write

got mum of Q's x 1= 80 x 24

now you convert % to decimal

80\% \times 100 = 0.80

replace

tot \: num \: qs \:  = 24 \times 0.80 = 19

now you take the original and + the 19

24 + 19 = 43

therefore there are a total of 43 questions on the exam

5 0
3 years ago
use 3.14 n for to estimate the area of a circle if the diameter is given on your answer to the nearest hundredth if necessary​
s2008m [1.1K]

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Step-by-step explanation:

8 0
3 years ago
A bag contains 34 red​ blocks, 48 green​ blocks, 24 yellow​ blocks, and 19 purple blocks. You pick one block from the bag at ran
Norma-Jean [14]

Answer:

82/125

Step-by-step explanation:

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4 0
3 years ago
Which one should I choose.
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54 ÷ 2

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x = 9

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2 years ago
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