Jim and Maria run a city relay race. The race consists of 8 laps around a planned city route. Jim runs 3 of the laps
at an average speed that is 0.5 mile per hour faster than
Maria's average speed for the remaining 5 laps. What is
Jim and Maria's combined race time? Let r represent
Maria's average speed.

2/3

step-by-step explanation:

the slope of a line is equal to the rise/run. in this case the line rises 2 units for every +3 units it moves

if you need just tell me and i will come to the rescue.

step-by-step explanation:

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25