Question

After how many seconds would Black Dragon and Wild Thing have the same amount of fuel left in their tanks? Round your answer to the nearest hundredth of a second. (Enter only the number in the form 0.123)

Hint: Select the two relevant equations from the last problem and solve them for the variable s.

Answer 1

and then the last questions were which I solved were

Black Dragon and Red Rocket each have 18-gallon fuel tanks. Wild Thing and Lucky Lady have 20-gallon fuel tanks. Match the linear equation that could be used to model the fuel remaining, f, in each car after t seconds.

For each racing dragster, find the average fuel in gallons used per second.


Black Dragon = .47 gal/sec;
Lucky Lady = .51 gal/sec;
Red Rocket = .43 gal/sec;
Wild Thing = .59 gal/sec
Black Dragon = .23 gal/sec;
Lucky Lady = .27 gal/sec;
Red Rocket = .21 gal/sec;
Wild Thing = .31 gal/sec
Black Dragon = 4.7 gal/sec;
Lucky Lady = 5.1 gal/sec;
Red Rocket = 4.3 gal/sec;
Wild Thing = 5.9 gal/sec
Black Dragon = 2.33 gal/sec;
Lucky Lady = 2.68 gal/sec;
Red Rocket = 2.14 gal/sec;
Wild Thing = 3.06 gal/sec

Answer 2

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