Question

Thinking & Inquiry [15 marks] 5. Suzy works in a boutique. Each month, her eamings, e dollars, are given by the formula E = 2500 + 0.105. where s dollars are her sales for the month. One month, Suzie's sales were $8 000. How much did she eam that month [5 marks] [5 marks] 6. The circumference, C. of a circle with diameter dis C = nd a) Solve for the formula for d. b) Calculate the diameter of a circle with circumference 8m

Answer 1

are given by E = Solution (5) Earnings of Suzy 2500+ 0.10s where s dollars are her sales for the month. For s = $8000 her ea earnings for that month will be E 2500 + (0-10) 8000 E $ 3300 she earned $3300 that month. (6) Circumference of a circle co with diameter d is given by C = tud a) d = 1. C T (b) when (= 8 m d = 1 x 8 T oll u احم = 22 ㅋ 28 d = m 7 x 8 22 = 2 pm (approximately d = 2.54 m.