1. Find x+y, if: 5x+8y=67 and 2x-y=31 a. 98 b. 46 c. 21 d. 14 e. 7 2. Peter’s salary is twice Ann’s salary and half of David’s salary. Then the average salary of Ann and David is Peter’s salary. a. …
Staring at a blank screen or a notebook full of scribbled equations here in Canada can make you feel like everyone else got handed a secret decoder ring while you were looking the other way. If you are sitting at …