A bus traveling at an average rate of 30 miles per hour left the city at 11:45 A.M. A car following the bus at 45 miles per hour left the city at noon. At what time did the car catch up with the bus?

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Answer 1 · 2017-06-30T17:24:01

O.5 hours or 12:30PM

let #x#=number of hours

the formula would be #30(x+.25)=45x#

#30x+30*0.25+45x#

#30x+7.5=45x#

#7.5=15x#

#x=0.5# hours; #0.5# hour #=30# min

#12:00+ :30=12:30#PM