January 2008 SAT Hard Math Question HELP #18

muhammad9211
Sat, 27 Jul 2013 15:09:13 +0000

“Avg speed = 20 miles / 45 minutes
Ok, avg speed = 0.4 mph”
Yes, this is what u wrote. U divided miles by minutes, yet wrote ur answer in miles per hour facepalm. Speed is 0.4 miles per minute. Thats why i said dont convert from hr to min.