



 
Hi Indu, There is an error in the wording of the problem, it should be:
Since the students have been put into two groups in the ratio 6:11 you can arrange the students into rows of 17 students, each row containing 6 students from the first group and 11 students from the second group. There is a total of 870 students in the first group. How many rows are there? How many students are there in the school? Penny  


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