Question

(b) Rowena walks 2km at an average speed of x km/h.

(i) Write down an expression, in terms of x, for the time taken.

(ii) Rowena then walks 3km at an average speed of (x – 1)km/h.
The total time taken to walk the 5 km is 2hours.

(a) Show that 2x2 - 7x+ 2 = 0.

Answer 1

Step-by-step explanation:

i

time taken=2/x

hope it helps

tganx

Answer 2

Answer:

2*2-7x+2=0

4+2-7x=0

6-7x=0

-7x=0-6

x=-6+7

x=1

Step-by-step explanation:

i think this is the answer but I am not sure ..