At Pete’s Pet Shop, 35 cups of bird seed are used every 5 days to feed 14 parakeets. How many cups of bird seed would be required to feed 9 parakeets for 7 days?  Choose one.
A) 27  B) 9  C) 31.5  D) 16  E) 54
Let's go step-by-step.   35 cups are used over a 5 day period, which means 7 cups a day. This feeds 14 parakeets, which means each parakeet needs 1/2 of a cup every day.   For 9 parakeets, we need 9*1/2= 
<gadget id="calculator">9*1/2</gadget>
<output>9/2 = around 4.5</output>
4.5 cups a day. Over 7 days, we need 31.5 cups. 31.5hoice c.
<result>C</result>
At Pete’s Pet Shop, 35 cups of bird seed are used every 5 days to feed 14 parakeets. How many cups of bird seed would be required to feed 9 parakeets for 7 days?