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If a printer can print 12 photos In 9 seconds how many photos can be printed in one minute

 Jan 16, 2020
 #1
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12 photos  /  9 sec  =  x photos / 60 sec        cross-multiply

 

12 * 60  =  9 * x

 

720  = 9 * x      divide both sides by  9

 

80  = x  

 

cool cool cool

 Jan 16, 2020

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