Question

Jason's mom drove at 100 km/h for a 160 km trip. How much longer would

the trip have taken if she had driven at 90 km/h? (This is grade 7 math)

Answer 1

10 minutes

Explanation:

the trip wouldve taken 10 minutes longer because the car was going 10km slower

Answer 2

Here is the way to get the answer

Step-by-step explanation:We use the formule: t=S/v. So:

+ t1= 160/100 = 8/5 hrs = 5760''

+ t2= 160/90 = 16/9 hrs = 6400''

=> t2-t1= 6400 - 5760 = 640'' = 10'40''