Question

Heather is a cashier. She can ring up 121212 customers in 999 minutes.
At this rate, how many minutes does it take her to ring up 444 customers?

Answer 1

Answer: In 333 minutes she can serve 444 customers.

Step-by-step explanation: If you divide 121212 customers in 333 group you get 444 customers in a group so same as the minutes you have 333 minutes in each group so you get that she can serve 444 customers in 333 minutes.

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Answer 2

Question:

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?
Answer:

Heather takes 3 minutes to ring up 4 customers.

Step-by-step explanation:

So, In 9 minutes Heather can ring up 12 customers.

We are trying to find how many minutes it takes for her to ring up 4 customers.

1) We divide 12 on both sides
Example:
12 ÷ 12= 1

9 ÷ 12 = 3/4

That means that Heather can ring up 1 customer in 3/4 of a minute.

2) We are gonna multiply 4 on each side

Example:
1 x 4 = 4

3/4 x 4 = 3

So, Heather can ring up 4 customers in 3 minutes.