[tex]\text{Hello there!}\\\\\text{We could represent this as a ratio}\\\\\text{5 shillings equal to 1 crown, so our ratio would be 5:1}\\\\\text{We know she has 45 shillings}\\\\45\div5=9\\\\\text{Make the ratio equivalent with 45, so multiply 1 by 9}\\\\\text{This means that there are 9 crowns}\\\\\large\boxed{\text{Answer: 9 crowns}}[/tex]