Question
P5.DA.NK.23052624-A1
The average height of a group of girls was 111 cm. After 7 boys with a total of 917 cm joined the group, the average height of all the pupils increased to 121 cm.
  1. What was the average height of the boys?
  2. How many girls were there in the group?
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Primary 5 DATA ANALYSIS P5.DA.NK.23052624

18 May 2024, 03:53 PM

The average height of a group of girls was 111 cm. After 7 boys with a total of 917 cm joined the group, the average height of all the pupils increased to 121 cm.
  1. What was the average height of the boys?
  2. How many girls were there in the group?
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