Mathematics, 05.02.2021 02:50 laniflower6

Rosemarie made a necklace from materials that cost $30. She is going to sell the necklace to Betty at 390% of this cost. About how much should Betty pay for the necklace? А
$12,000
B
S1,200
C$120
DS12

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Rosemarie made a necklace from materials that cost $30. She is going to sell the necklace to Betty a...