Two trains leave towns 785 miles apart at the same time and travel toward each other. One train travels 21 faster than the other. If they meet in 5 hours,
h
what is the rate of each train?

Slow train: 68 mph

faster train: 68 + 21 = 89 mph

Step-by-step explanation:

Givens

The total distance is 785 miles

The rate of one train is r

The rate of the second train is r + 21

The time they travel that total distance of 785 miles is 5 hours.

Formula

d = r * t

r*5 + (r+21)*5 = 785 miles

Solution

5r + 5(r + 21) = 785                   Remove the brackets on the left

5r + 5r + 105 = 785                  Combine

10r + 105 = 785                        Subtract 105 from both sides

10r = 680                                  Divide by 10

r = 680/10

r = 68

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

u also answered this so i think u would know but i am here to

put in or use mine

step-by-step explanation:

1