Question

. 20 students of a class have average height of 1.15m. If 15 students have 1.20 m. average
height, then find the average height of rest 5 students.
Four girls have 1 m. 15 cm. average height. One new girl having height 1 m. 20 cm.joins​

Answer 1

Answer:

THE OTHER 5 STUDENTS ARE OF 1 METRE

Step-by-step explanation:

do it as

( 1.20 x 15 ) + 5x whole divided by 20 which is equal to 1.15

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