Answer:
The cost of the 40 rulers is £8 .
Step-by-step explanation:
As given in the question
15 rulers cost £3
i.e
15 rulers = £3
Cost of the one ruler.
[tex]1\ ruler = \frac{3}{15}[/tex]
1 ruler cost = £ 0.2
Now find out the cost for 40 rulers .
Cost for 40 rulers = 40 × 0.2
= £8
Therefore the cost of the 40 rulers is £8 .
