WWW.C E M C .U WAT E R LO O.C A | T h e C E N T R E fo r E D U C AT I O N i n M AT H E M AT I C S a n d CO M P U T I N G Problem of the Week Problem C More for Less Harry Wirks is currently paid $567 for working a 45 hour week. His weekly salary is to be increased by 10% but his hours are to be reduced by 10%. Calculate the change from his old hourly rate of pay to his new hourly rate of pay. Strands Number Sense and Numeration, Patterning and Algebra