After being exposed to an electromagnetic shrinking machine, Joe shrank a total of 120 centimeters over 1.2 seconds. His height decreased by the same amount each second. Joe wants to figure out how much his height changed each second.What equation can help him figure this out .

Would this equation help him figure it out
−120÷1.5=?

sorry but that's the answer -80

#KHANACADEMY

its -80

Yes, the equation −120÷1.5= can help Joe figure out how much his height changed each second. However, there seems to be a typo in the equation. It should be −120÷1.2= since Joe shrank a total of 120 centimeters over 1.2 seconds.

To calculate how much his height changed each second, you need to divide the total height change (-120 centimeters) by the total time it took for the change (1.2 seconds). The equation should be:

Height change per second = Total height change / Total time

Substituting the values into the equation, we have:

Height change per second = -120 centimeters / 1.2 seconds

Simplifying the equation, we get:

Height change per second = -100 centimeters/second

So, Joe's height changed by 100 centimeters per second when he was exposed to the electromagnetic shrinking machine.

Yes it does. #2017

-120 / 1.2 = 100 cm/second