alishastevens16
07.07.2021 •
Mathematics
What is the solution set of the equation x2+3*-4=6
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Ответ:
x=9
Step-by-step explanation:
Ответ:
Step-by-step explanation:
$21
Let the amount Lori bought the shirt and the hat be $x, if she bought them at half off sale, the initial price of both item will be 2 × $x
If she spent $21 on both items, the initial price will have been 2 x $21 = $42 where x is $21
Original price of the hat and shirt is therefore $42. Since both are on half off sale, the initial price is the hat will be $42/2 = $21