The enrolment

The enrolment for this school year is 2,340. If 1/6 are grade 8 and 1/4 are grade 10, how many are grade 7 or 9?

Correct answer:

x =  1462.5

Step-by-step explanation:

n=2340 n8=n/8=2340/8=2585=29221=292.5 n10=n/4=2340/4=585  x=nn8n10=2340292.5585=22925=146221=1462.5

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