15 rules cost £3
£3 / 15 rules = 0.2 £/rule
40 rules * 0.2 £/rule = £8
Answer:
Step-by-step explanation:
Subtract 15 from both sides of the equation.
2/5
probability it is a beret = total number of berets / total number of hats
6/15
To transform to the simplest form. divide both the numerator and the denominator by 3
