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8. If 6,000 people voted in the election, how many were from 18 to 29 years old? 9. If 12,000 people voted

8. If 6,000 people voted in the election, how many were
from 18 to 29 years old?
9. If 12,000 people voted in the election, how many were
from 50 to 64 years old?
10. If 596 people voted in the election, how many were
over 65 years old?
11. Suppose that Sahil knows that 45 people with ages of
18 to 29 voted. Without using a calculator, he quickly
says then 135 people with ages of 30 to 49 voted. Is
he correct? How might Sahil have come up with his
answer so quickly?

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