SOLUTION: Ms. Mendez is sorting her photographs. She notes that 12 of the photos are black and white and that 40% of the photos are color. How many photos does she have?

Question 743235: Ms. Mendez is sorting her photographs. She notes that 12 of the photos are black and white and that 40% of the photos are color. How many photos does she have?
Found 2 solutions by rfer, stanbon:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
12/0.60=20
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Ms. Mendez is sorting her photographs. She notes that 12 of the photos are black and white and that 40% of the photos are color. How many photos does she have?
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60% of the photos must be black and white.
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Let x be the total # of photos.
0.60x = 12
x = 12/0.60
x = 20
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Cheers,
Stan H.
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