SOLUTION: 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 4 customers?

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Question 1135992: 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 4 customers?
Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52769) About Me  (Show Source):
You can put this solution on YOUR website!
.

In three times faster than 9 minutes.

I.e. in 3 minutes.



Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
1/3 of 9 minutes = 3 minutes.