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Heather is a cashier. She can ring up 12 customers in 9 minutes. At this rate, how many minutes does it take her to ring up 44 customers?
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4 votes
Heather is a cashier. She can ring up 12 customers in 9 minutes. At this rate, how many minutes does it take her to ring up 44 customers?

User Blazes
by
7.8k points

2 Answers

4 votes

\bf \begin{array}{ccll} customers&minutes\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 12&9\\ 44&m \end{array}\implies \cfrac{12}{44}=\cfrac{9}{m}\implies m=\cfrac{44\cdot 9}{12}
User Venu Murthy
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7.9k points
1 vote
I think it's 528 I don't know if I'm right hope this helps
User Bcsta
by
8.5k points
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