Quiz 5

1. Five hats and three scarves cost $99, while three hats and five scarves
   cost $85. Find the cost of one hat.
   (a) $8
   (b) $5
   (c) $15
   (d) $10


2. If a person can travel 20 miles upstream in 10 hours and the same
   distance downstream in 2.5 hours, find the rate of the current.
   (a) 2 miles per hour
   (b) 3 miles per hour
   (c) 4 miles per hour
   (d) 5 miles per hour


3. If the sum of two numbers is 43 and the difference is 7, find the larger
   number.
   (a) 15
   (b) 18
   (c) 22
   (d) 25

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