The mean weight of 150 students in a certain class is 60 kg. The mean weight of boys in the class is 70 kg. and that of the girls is 55 kg. Find the number of boys and the number of girls in the class.
The mean weight of 150 students in a certain class is 60 kg. The mean weight of boys in the class is 70 kg. and that of the girls is 55 kg. Find the number of boys and the number of girls in the class.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter1: Expressions And Functions
Section1.5: Descriptive Modeling And Accuracy
Problem 15PPS
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