Alice counted 7 cycle riders and 19 cycle wheels going past her house. How many tricycles were there?
1. Alice counted 7 cycle riders and 19 cycle wheels going past her house. How many tricycles were there?
2. A well is 20 feet deep. A snail at the bottom climbs up 4 feet each day and slips back 2 feet each night. How many days will it take the snail to reach the top of the well?
3. There are two 2-digit numbers that satisfy the following conditions:
(i) Each number has the same digits,
(ii) the sum of the digits in each number is 10, and
(iii) the difference between the 2 numbers is 54. What are the two numbers?
4. Aunt Sally wants to hang six decorative plates on her dining room wall, in a straight line and spaced evenly apart from each other, and from the edges of the wall. Each plate is 8 inches in diameter and the wall is 104 inches long. How far apart shall the plates be hung
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