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 1

Answer:

Time taken to ring 12 customers = 9min

Time taken to ring 1 customer =9/12 min

=3/4 min

Time taken to ring 4 customer = 3×4/4

=3 min

she will take 3 minutes to ring 4 customers .( ans).

Answer 2

Time Taken By Heather To Ring 4 Customer Is 3 Minutes.

GIVEN

Number of minutes Heather takes to ring 12 customers = 9 minutes.

TO FIND

Time taken to ring 4 customers.

SOLUTION

We can simply solve the above problem as follows-

It is given,

time taken to ring 12 customers = 9 minutes.

Applying a simple unitary method,

Time taken to ring 1 customer = 9/12 minutes.

So,

$time \: taken \: to \: ring \: 4 \: customers \: = \frac{9}{12} \times 4$

= 3 minutes.

Hence, time taken by Heather to ring 4 customer is 3 minutes.

Hence, time taken by Heather to ring 4 customer is 3 minutes. #Spj2

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