Si para empapelar un cuarto con papel de 0,55cm de ancho se necesita 30 rollos ¿Cuánto serán necesarios si se utiliza un papel de 60cm de ancho? Porfavor ayuda no sé cómo se resuelve

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?