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Elina [12.6K]
3 years ago
12

Adding school fairest 20% of the people are under 16 years old one third of the people remaining are teachers if there are 21 te

achers at the fair how many people are there at the fair Total
Mathematics
1 answer:
dedylja [7]3 years ago
4 0
<span>In the fairest school 20% are below 16 years old
1/3 are teachers which is equals to = 21
Let’s start solving:
=> 1/3 of 100% = ( 100 / 3 = 33.33% )
thus 33.33% = 21
=> 21 x 3 = 63, is the total number of people in the school.
Let’s try solving the number of people below 16 years old
Then there are 20% of it:
=> 63 * .20 = 12.6
Thus, there are around 13 people who are 16 years old younger.</span>



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Step-by-step explanation:

Multiply all terms by x and cancel:

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Check answers. (Plug them in to make sure they work.)

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3. Answer: a) RT

                   b) XZ

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2(PT) = AE              2(CP) = AN                 2(CT) = EN

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