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The graph shows the cost, $c, of travelling a distance,
km, with Saanvi’s Taxis.
ia)
Write down the cost of a 4km journey.
$ ................................................. [1]
ib)
Complete this statement.
Saanvi’s Taxis cost $ ........................ for each kilometre travelled.
[1]
ic)
Find the equation of the line.
c = ................................................. [1]
Krishna’s Taxis cost $5 to hire plus $2 for each kilometre travelled.
iia)
Show that the cost of a 4km journey with Krishna’s Taxis is $13.
[1]
iib)
Find an equation for the cost, $c, of travelling d kilometres with Krishna’s Taxis.
c = ................................................. [2]
iic)
On the grid, draw a line to show the cost of travelling with Krishna’s Taxis.
[2]
iid)
Mrs Singh wants to hire a taxi.
She says that Saanvi’s Taxis are always cheaper than Krishna’s Taxis.
Is Mrs Singh correct?
Give a reason for your answer. Use your graph to help you.
[1]