Answer:
1. $47.50 2. $48 3. Store A
Explanation:
STORE A
1. $50* 0.05 = $2.50
$50 - $2.50 = $47.50
Store A sells the watch for $47.50
STORE B
2. $60 * 0.2 = $12
$60 - $12 = $48
Store B sells the watch for $48
WHICH STORE IS BETTER
3. Store A is better as it sells the same watches for 50p less