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Dvinal [7]
3 years ago
11

What percent of campers are over the age of 14?

Mathematics
1 answer:
Ierofanga [76]3 years ago
7 0

Answer: 45%

Step-by-step explanation: There's 9 people over the age of 14. And 9 divided by the total number, 20, gives you 0.45. 0.45 multiplied by 100 is 45.

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I don’t really get this question y= 12r + 28
Debora [2.8K]

answer : r = y - 28 / 12

explanation :

y - 28 = 12r

y - 28 / 12 = r

switch sides ^

r = y - 28 / 12

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Elena L [17]

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The answer is...12.

Step-by-step explanation:

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3 years ago
PLEASE HELP WITH THIS QUESTION​
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After 6 hours, a driver had traveled 390 miles. how far had the driver traveled after 4 hours
lozanna [386]
Sorry I needed points for an important quiz
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-0.5(x + 0.3) – 0.2x = 4.1
lys-0071 [83]

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x=-8

Step-by-step explanation:

I always change the decimals into whole numbers by multiplying them by 10.  If you do this, it is much easier to solve.  All you do is multiply every term by 10.

the equation changes to

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combine like terms

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bring the 15 over to the 41

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divide everything by 7

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3 0
3 years ago
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