(b) Rowena walks 2km at an average speed of xkm/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 5km is 2 hours.
(a) Show that 2x^2-7x+2

me i beg !

step-by-step explanation:

answer: the 4 kilogram bag

step-by-step explanation: this is because if you divide the number of kilograms into the total it will tell you how much each individual kilogram would be worth. 2 kilos is 7 and change 3 would be around 6 ish and the 4 kilo would be 4.6 and change and the 5 kilos would be like 4.88

why can't you?

step-by-step explanation:

what is the original number? you forgot to add it.