A slug travels 4miles at Xmph then another 3 miles at X+4mph
write an expression to show this situation---
i think its 4/x + 3/x+4
correct me if wrong,,, then hard bit....
the total time taken is 5 hours , form an equation in x, of the type px²+qx+r=0
it give me space to answer as below....
wot answer??? quick