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jcole132006:
Rachel decided to have bouncy balls as a party favor. She determines that her ratio of bouncy balls to guests is 9:3. Explain how to find the number of balls needed for 30 guests.
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justus:
Hello there. We can simplify 9:3 to 3:1 and y = 3x is used to substitute 30 guests in for x. Thus y= 3(30), y= 9.
jcole132006:
thank you
justus:
y=90*
justus:
Sorry my mistake.
jcole132006:
you are fine thanks
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justus:
She needs 90 balls for 30 guests.
justus:
No problem. :)
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