1. Skippy's bank charges $13.95 per month for up to 15 transactions made in his chequing account and $1.50 for each transaction after that. Last
month he made 22 transactions. What was Skippy's total bank fee last
month? *

Based on the figures as marked, /\rqs = —

X+ y = 5 ; x - y =3 solve using linear combination

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.