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Cooldude36461
20.07.2019 •
Mathematics
The changs updated their bedroom by purchasing a new lamp for $89.95 and a comforter set for $239.99. they paid 6 3/5 sales tax on their purchases. if the changs paid $351.72 total, determine if they paid the correct amount.
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Ответ:
$239.99
+ 89.95
=329.94
Then put 6 3/5 into a decimal:
3/5= .6
6.6%
Then change it from a % by dividing by 100.
6.6%= .066
Then multiply 329.94 by 1.066
329.94 x 1.066 = 351.716
= 351.72
So, yes. they paid the correct amount
Ответ:
According to the table,
it should be (5,9) and (8,10.5)