Answer:
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Step-by-step explanation:
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Answer:
22
Step-by-step explanation:
Long but I got a lot done so i'm proud of myself. How was your day?
Answer:
40 girls
Step-by-step explanation:
Set up a proportion where x is the number of girls in band class:
= 
Cross multiply and solve for x:
3x = 120
x = 40
So, there were 40 girls in band class.