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Ratios
Mathématiques
Middle School Math
Ratios

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 Name _____________________________ Date ___________________
Ratios
Complète.

 1 If the ratio of red flowers to yellow flowers in the local park is8:6and there are approximately1,100red or yellow flowers currently blooming in the park, about how many of them are yellow? You may need to round to the nearest whole number.
 2 A scientist counted birds in a cornfield. He counted seven crows, nine jays and thirteen hawks. What was the ratio of jays to hawks?
 3 If four out of nine people surveyed prefer brand B over brand A, then how many out of nine prefer brand A? Assume that everyone surveyed liked either brand A or B but no one chose “both” or “neither.”
 4 It was recently estimated by the Extraterrestrial Alien Monitoring Agency, that unregistered extraterrestrials outnumber registered ones by about six-to-four. If there are a total of1,930extraterrestrials, about how many of them are registered?
 5 After doing an experiment you learn that 84 percent of the carrot seeds from company A germinated (began to grow) within ten days, while only 48 percent of the seeds from company B germinated within ten days. What was the comparative germination ratio?
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