Ercise 2 rd problems involving fraction
Ken travelled , of his journey by bus?, of
the remaider by train and walked the rest
which was 3 kilometres. How long was the
whole journey?
A. 24 km B. 48km C. 72km D. 96km

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)

is there any other information given for this problem? this is not enough information.

the answer to your question (9+10) is 19

the scale is 1/9 my friend can't simplify 1 anymore so it will be (for every 1 there's 9)