Hong Kong

Stage 4 - Stage 5

A car moves uniformly at the same speed. The duration of the journey is proportional to the distance travelled.

a

Complete the following table:

Distance (in km) | $73$73 | $146$146 | $219$219 | $\editable{}$ |
---|---|---|---|---|

Time (in hours) | $1$1 | $\editable{}$ | $\editable{}$ | $5$5 |

b

What is the constant of proportionality in the table above?

Easy

Approx 2 minutes

Answer the following questions in relation to the graph shown:

Consider the equation: $y=8x$`y`=8`x`.

In the following proportionality table, the second row is obtained by multiplying the top row by the constant of proportionality. Complete the table and find that constant.

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