Estimate an answer to the problem.An advertisement states that television sets are on sale at B&G Electronics. The sale prices are: 
set, 
set, 
set,
src="https://sciemce.com/media/4/ppg__rrrrr0616190822__f1q97g6.jpg" alt="" style="vertical-align: -4.0px;" /> 
$289.97; 
$519.97. Estimate to the nearest ten the total cost of one 
set and one 
set.
A. $420
B. $430
C. $450
D. $440
Answer: D
Mathematics
src="https://sciemce.com/media/4/ppg__rrrrr0616190822__f1q97g6.jpg" alt="" style="vertical-align: -4.0px;" /> $289.97; $519.97. Estimate to the nearest ten the total cost of one set and one set.
A. $420
B. $430
C. $450
D. $440
Answer: D
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