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1. A student started out poorly on his first mathematics test. However, he doubled his score on each of the next two tests. The third test grade was 100 . What was the student's average test grade? Round to the nearest tenth. (Hint: Work Backwards) 2. While visiting a friend's home, I saw kittens and children playing in the backyard. Counting heads, I got 11 . Counting feet, I got 32. How many kittens and how many children were in the backyard? (Hint: Use a Variable) 3. A man wishes to erect a fence along his property by a nearby road. If the fence requires a post every 3ft, and the fence is to be 30 feet long, how many posts are needed? Disregard the thickness of the posts. (Hint: Draw a Picture) 4. Determine the next three numbers in the following sequence. (Hint: Look for a Pattern) 46,40,34,28,22