Question
The average height of a group of 5 girls is 147 cm. When Esther and Joelle joined the group, the average height increased by 4 cm. What is Esther and Joelle's total height?
3 m

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The average height of a group of 5 girls is 147 cm. When Esther and Joelle joined the group, the average height increased by 4 cm. What is Esther and Joelle's total height?