Answer:
The total cost of the order is $75.85 .
Option (b) is correct .
Explanation:
As given
Ronda ordered 3 T-shirts for $15.67 each and one skirt for $24.55 and a 6% tax.
Total cost of the 3 T-shirts and one skirts =3 × Cost of the 1 T - shirts + Cost of the skirt
= 3 × $15.67 + $24.55
= $47.01 + $24.55
= $ 71.56
6% is written in the decimal form
= 0.06
Sales tax = 0.06 × Total cost of the 3 T-shirts and one skirts .
= 0.06 × 71.56
= $ 4.2936
Thus
Total cost of the order = Total cost of the 3 T-shirts and one skirts + Sales tax .
Put all the values in the above
Total cost of the order = $71.56 + $ 4.2936
= $ 75.85 (Approx)
Therefore the total cost of the order is $75.85 .
Option (b) is correct .