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kumpel [21]
3 years ago
13

The cost of a long-distance phone call is $ 0.46 for the first minute and $0.37 for each additional minute. If the total charge

for a long-distance call is $8.23 , how many minutes was the call?
Mathematics
1 answer:
telo118 [61]3 years ago
4 0

<u>Answer:</u>

22

<u>Step-by-step explanation:</u>

We know that it charges $0.46 to make a long distance phone call for the first minute and $0.37 for each additional minute.

The total charge for the call was $8.23 and we are to find the total number of minutes of the call.

So firstly, we will subtract the cost of the first minute from the total cost:

$8.23 - $0.46 = $7.77

Now divide this cost by per minute cost of additional minutes:

7.77 / 0.37 = 21

So adding back the first minute of the call, we get a total of 22 minutes.


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  1. 36 can be written as 6^2 and here 36^(500) can be written as (6^2)^500 which also can be written as (6^500)^2 and as already it is mentioned that 6^500 as z we can write the above as <u>z^2</u>

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