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Activity 作者: Mind Map: Activity

1. Excel Example

2. Partner Activity: 1. Darryl wants to know his test average for the past five tests. His scores on the tests are 89, 72, 91, 87, 76.

3. 2. Five friends went to the mall and spent money. Sara spent $25, Kim spent $15, Tiffany spent $13, Jenny spent $32, and Sony spent $19. What is the average that they spent in the mall?