Pre-Algebra Checkup
1) Half (1/2) of the marbles in a bag are red. A third (1/3) are white. The other six (6) are blue. How many marbles are in the bag?

2) A fish tank is three-quarters (3/4) full. Two-thirds (2/3) of the water leaks out, leaving 10 gallons of water in the tank. What is the capacity of the fish tank?
___ gallons
3) On a certain map, 6 inches represents 25 miles.
How many miles does 1 1/2 feet represent?
miles
4) A furlong is 1/8 of a mile. At 60 miles/hour, how long will it take to travel 1,440 furlongs?
___ hours
5) The average of three numbers is 45. Two of the numbers are equal. The last number is 89. What are the two missing numbers?
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