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anonymous
 one year ago
Grant can row 6 miles in 36 minutes. Arianna can row 3,520 yards in 20 minutes. In miles per hour, how much faster does Grant row than Arianna?
anonymous
 one year ago
Grant can row 6 miles in 36 minutes. Arianna can row 3,520 yards in 20 minutes. In miles per hour, how much faster does Grant row than Arianna?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.01 mile is 1760yds Grant's speed is \[\frac{ 1mile }{ 1\min }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.03520yd divide by 1760yd you get 2miles

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so arianna's speed is \[\frac{ 1mile }{ 10mins } = \frac{ 0.1mile }{ 1\min }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0would equal up to be 29.3

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so we convert them mile/min to mph

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0multiple both grant and arianna speed by 60 to get the units to mile per hour. Then: Grant's speed  Arianna's speed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got 29.3 for Arianna

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0What's your calculation steps?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0No... Arianna's speed is in yards, you need to convert it to miles

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so convert 29.3 to yards

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Arianna row 3520 yards in 20mins 1 mile is 1760 yards \[\frac{ 3520yd }{ 1760yd } = 2 miles\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\frac{ 2miles }{ 20mins } = \frac{ 1mile }{ 10mins } = \frac{ 0.1miles }{ 1\min }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok we have both Grant and Arianna speed in miles per min (check the working above) now we convert them to miles per hour

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Think I made a typo the top again....at Grant's speed should be \[\frac{ 0.1667miles }{ 1\min }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Multiply Grant's speed by 60 you should get 10miles per hour Multiply Arianna's speed by 60 you should get 6miles per hour

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0106=4 which is the answer
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