Answer: Option B.

Step-by-step explanation:
If a varies directly with b then when a increases b it also increases by a factor k.
Then we can write that

We know that when a = 28 then b = 7. So



Therefore the equation of proportionality is:

So when
then:

Answer:
Step-by-step explanation:
Answer:
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Step-by-step explanation:
Answer: option B
Step-by-step explanation:
-4, 1, 3
Answer:
2,912 People
Step-by-step explanation:
12% of 2,600 is 312
add 312 to 2,600
end up with
2,912 People