Quantcast XP Math - Forums - View Single Post - i need some math help for this boy that i'm babysitting right now...?
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Old 07-24-2007   #7
Lui
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1. let s 45=[ ( 53 x 2 )+( s x 4 ) ] / 6 45x6 = 106 + 4s 270-106=4s 164=4s s=41mphso the speed for the last 4 hours is 41 mph2.drove to the beach= 118/60=1h 58 min drove back to home= 118/72 = 1 h 38 min Total time taken = 3 hours 36 minutes3. time taken = 51/39 = 46 min 2.58- 0.46= 2.12pm