There were some children in the hall. 1/4 of the children were girls. After 1/3 of the girls had left the hall, there were 42 more boys than girls remaining in the hall. How many children were at the hall first?

There were some children in the hall. 1/4 of the children were girls. After 1/3 of the girls had left the hall, there were 42 more boys than girls remaining in the hall. How many children were at the hall first?

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter3: Math Models

Section3.3: Solve Mixture Applications

Problem 3.54TI: Alison has three times as many dimes as quarters in her purse. She has $9.35 altogether. How many...

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