Question
The average height of a group of 7 girls is 111 cm. When Tammy and Jane joined the group, the average height increased by 5 cm. What is Tammy and Jane's total height?
3 m

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The average height of a group of 7 girls is 111 cm. When Tammy and Jane joined the group, the average height increased by 5 cm. What is Tammy and Jane's total height?