The average height of a group of 5 boys is 104 cm. When Archie, Henry and Xavier left the group, the average height decreased by 3 cm. What is Archie, Henry and Xavier's total height?
| |
5 boys |
2 boys |
| Number |
5 |
2 |
| Value |
104 |
101 |
| Total value |
520 |
202 |
Total number of boys after 3 boys left the group
= 5 - 3
= 2
New average height after 3 boys left the group
= 104 - 3
= 101 cm
Total height of 5 boys
= 5 x 104
= 520 cm
Total height of 2 boys
= 2 x 101
= 202 cm
Total height of Archie, Henry and Xavier
= 520 - 202
= 318 cm
Answer(s): 318 cm
