Selena purchased some gifts for her nieces and nephews online. She bought 3 dolls each priced at 19 point 9 9 dollars each and 4 remote control cars priced at 21 point 9 9 dollars each. Selena was able to get an online coupon for 3 dollars off on each remote control car that she purchased. There was no sales tax, but the shipping charge was 10 point 5 0 dollars What was the total amount Selena paid for her online purchase?
The dolls cost 3 × $19.99 = $59.97. The cars cost 4 × $21.99 = $87.96, and the $3 coupon on each of 4 cars saves $12, so the cars cost $75.96 after the discount. Add the $10.50 shipping charge: $59.97 + $75.96 + $10.50 = $146.43. The correct choice is B, $146.43.
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