Janice notices that the average speed at which she bikes varies inversely with the time it takes her to arrive home from the beach. If it takes her 1 hour and 45 minutes to get home biking at an average speed of 12 km per h, then how long will it take her to get home if she bikes at an average speed of 15 km per h?

coins of silver or gold

step-by-step explanation:

faster, im not sure why but i know it is faster

6^2 or 36

step-by-step explanation:

6000n

6×1000n

6×10^3 n

so we need 6n need to be a perfect cube

so n has to be 6^2 so that 6n is 6^3

what i'm saying is if you let n be 6^2 you have 6^3×10^3 or 60^3 which is a perfect cube

step-by-step explanation: