The advertisement shows the cost of buying markers from a stationery kiosk.
- Vanessa bought 22 markers. How much did she pay?
- Lee bought 50 markers. How much did he pay?
(a)
Number of sets of 15 markers
= 22 ÷ 15
= 1 r 7
Cost of first 15 markers
= 15 x 2.30
= $34.50
Cost of the next 7 markers
= 7 x 1.90
= $13.30
Amount that Vanessa paid
= 34.50 + 13.30
= $47.80
(b)
Number of markers that was not part of the first 15 markers
= 50 - 15
= 35
Cost of first 15 markers = $34.50
Cost of the next 35 markers
= 35 x 1.90
= $66.50
Total cost of 50 markers before an additional discount of 8% is applied
= 34.50 + 66.50
= $101
Amount that Lee paid in percent after an additional discount of 8% is applied
= 100% - 8%
= 92%
100% of the total cost of 50 markers = 101
1% of the total cost of 50 markers = 101 ÷ 100 = 1.01
92% of the total cost of 50 markers = 92 x 1.01 = 92.92
Amount that Lee paid = $92.92
Answer(s): (a) $47.80; (b) $92.92