PSLE
Mrs Gabriel bought a dress and a ring at a discount. She spent a total of $81.90 on these two items. She spent $38.50 more on the ring than on the dress.

1. How much did she spend on the ring?
2. The total discount given for the two items was $35.10. She was given a 30% discount for the dress. What was the percentage discount given for the ring?

(a)
Amount spent on the dress = 1 u
Amount spent on the ring = 1 u + 38.50

Total amount spent on the dress and the ring
= 1 u + 1 u + 38.50
= 2 u + 38.50

2 u + 38.50 = 81.90
2 u = 81.90 - 38.50
2 u = 43.40

1 u = 43.40 ÷ 2 = 21.70

Amount that Mrs Gabriel spent on the ring
= 21.70 + 38.50
= $60.20

(b)

	Dress	Ring	Total
Original price	100%	$86
Discount	30%  $9.30	$25.80	$35.10
Discounted price	70% $21.70	$60.20	$81.90

Discounted price of the dress
= 100% - 30%
= 70%

70% of the price of the dress = 21.70
1% of the price of the dress = 21.70 ÷ 70
30% of the price of the dress = 21.70 ÷ 70 x 30 = 9.30

Discount given for the ring
= 35.10 - 9.30
= $25.80

Original price of the ring
= 60.20 + 25.80
= $86

Percentage discount of the ring
= ^25.80₈₆ x 100%
= 30%

Answer(s): (a) $60.20; (b) 30%