Bike hire

This task is about number patterns.

 

Kiri hires out bikes to people on holiday. The table below shows the prices she charges for up to 5 hours.

 

Number of hours

Price

1

    $4

2

    $8

3

  $12

4

  $16

5

  $20

Continue the pattern to work out the price of hiring a bike for

a)

i)   6 hours. $__________ 
 
ii)  10 hours. $__________
 

b)

How did you work out your answers to a)?