Page 269 - Math Smart - 7

0 Liana earns $5 per hour working as a waitress,
a) Complete the table of values below.

Number of hours of work 1 2 3 4 5

Wages ($) 5 10

b) Use the set of axes Liana's wages
to plot a graph to show
25
Liana's wages on a piece of
graph paper. 20

15
4^
o> 10

2 3
Time (h)

0 Use the set of axes to draw a graph showing Patel family's journey
the Patel family's journey on a piece of graph
paper. 200
The Patel family are travelling on the
highway In their car.
a) They travel at 100 km/h. How far do they
150
travel In 1 h?
Plot a point to show this on your graph.

b) They continue at the same speed for
100
another ^ h.
i) How far do they travel In j h?
II) How far have they travelled In total?
50
III) Plot a point to show this on the
graph.
Iv) Draw a line segment to represent this
part of their journey on your graph.
Time (h)
c) The Patels stop for coffee for 20 min.
Draw a line segment to represent this part
of their journey on your graph.

d) They get back Into their car and travel at a different speed for another hour.
They are now 200 km from home.
i) Draw a line segment to represent this part of their journey on your graph,
il) What speed are they travelling at after having coffee?