Pauletta detweiler is paid a salary or $325 a week plus 2 3/4 % commission on weekly sales over $6,500. her sales last week totaled $17,400. what were her total earnings for the week

Total earning of her is $803.50

Explanation:

Total salary of her is $325 weekly with 2.75% commission on weekly sales over $6500.

Total sales by her in last week is $17400

This sales is more than $6500 hence calculate her commission over 6500

Increase 17400 by 0.0275 to get commission rate she earns.

17400 \times 0.0275 = 478.5

So she got  $478.50 in percentage as well as the $325 Pauletta makes weekly.  Therefore total earning of her is

325 + 478.50 = $803.50

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