Well you would divide distance by time and you should make sure that you do the trucks equation seperate from the cars equation other wise you would only get one answer and it looks like you need 2 so figure out the time an distance for each car then divide distance by time and that is your answer.
I think it’s -8x + 24
Could be wrong, but I hope it helps :)
If you simplify 12 over 6, you get 2 pounds for $1. And it is 50 cents for one pound, so you need to find it for 3 pounds. It would be $1.50
Answer for 13: 89 percent because 89/100 is .89 or 89 percent
Answer for 14: part a: 1/10 because Each person gets ten percent so 10 times 10 is 100
Part b: it can be expressed as 0.10 in decimal form