the changs updated their bedroom by purchasing a new lamp for $89.95 and a comforter set for $239.99. they…

the changs updated their bedroom by purchasing a new lamp for $89.95 and a comforter set for $239.99. they paid $6\\frac{3}{5}\\%$ sales tax on their purchases. if the changs paid $351.72 total, determine if they paid the correct amount.\na. the changs family paid $0.33 too much for their purchases.\nb. the changs family paid $0.99 too much for their purchases.\nc. the changs family paid $5.94 too much for their purchases.\nd. the changs family paid the correct amount for their purchases.\nplease select the best answer from the choices provided
Answer
Explanation:
Step1: Calculate the subtotal
Add the cost of the lamp and the comforter set. (89.95 + 239.99=329.94)
Step2: Convert the percentage to decimal
(6\frac{3}{5}%=\frac{33}{5}% = 6.6%=0.066)
Step3: Calculate the tax amount
Multiply the subtotal by the tax rate. (329.94\times0.066 = 21.77604)
Step4: Calculate the total amount
Add the subtotal and the tax amount. (329.94+21.77604 = 351.71604\approx351.72)
Answer:
D. The Changs family paid the correct amount for their purchases.