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Susie has a part-time job at the video store. She makes between $32.43 and $38.86 a day. Which is a reasonable amount of money that Susie makes for working 6 days?

A.
$126.00
B.
$246.00
C.
$186.00
D.
$306.00

User Sethu
by
7.6k points

1 Answer

5 votes

To calculate the range of money that Susie can make in a day, we need to find the difference between the maximum and minimum amounts:

$38.86 - $32.43 = $6.43

This means that Susie can make up to $6.43 a day.

To find the range of money that she can make in 6 days, we multiply the daily range by 6:

6 days × $6.43/day = $38.58

Therefore, a reasonable amount of money that Susie makes for working 6 days is approximately $38.58.

Since none of the given answer choices are close to this amount, we can assume that there may be a mistake in the problem or the answer choices.

Mayank Durgapal

try again

Assuming that the amount of money Susie makes per day is uniformly distributed between the minimum and maximum amounts, we can find the expected value of her earnings by taking the average of the minimum and maximum amounts:

Expected earnings per day = ($32.43 + $38.86) / 2 = $35.645

Multiplying this by the number of days worked:

$35.645 x 6 = $213.87

Therefore, a reasonable amount of money that Susie makes for working 6 days is approximately $213.87.

The closest answer choice is C) $186.00, which is not exact but is the closest to the expected amount.

User Daniel Wisehart
by
7.5k points