Length=width+x
l=w+x (x being the amount of feet longer than the width)
This senecio is in reliable because how do you know if the people at the sand which shop next door are frequant customers
112 of 312 miles @ 30 mph
(312 - 112) of 312 miles @ 60 mph
mathematically represented by the following equation . . .
(112/312)(30) + (200/312)(60)
average speed = 49.23 mph