The number of calories burned, c, varies directly with the time spent exercising, t. When Lila bikes for 3 hours, she burns 900 calories.

Which of the following equations shows this direct linear variation?

A. c = 900t

B. c = t

C. c = 3t

D. c = 300t

Question

The number of calories burned, c, varies directly with the time spent exercising, t. When Lila bikes for 3 hours, she burns 900 calories. 
 
Which of the following equations shows this direct linear variation?
 
 A. c = 900t
 
 B. c = t
 
 C. c = 3t
 
 D. c = 300t

rebeccaxhawaii · Answer

okay so 900 for 3 hrs so thats 300 per hour
therefore 300t= calories burned

welshfella · Answer

in 3 hours she burns 900 calories
how much is that per hour?

abbster2015backup · Answer

Thanks!!!

rebeccaxhawaii · Answer

no problem