Homework Help: math

Posted by tas on Wednesday, October 10, 2012 at 9:15pm.

mrs. karson's music class includes both 6th and seventh graders. the ratio's of 6th graders to students ine the class is 4:7. there are 9 seventh graders in the music class how many students sre in the class?

math - Reiny, Wednesday, October 10, 2012 at 9:40pm
six graders --- 4x
7th graders --- 7x
x/y = 4/7

given: 7x= 9
x = 9/7

uh, uh, looks like we have some "part-time students"

Question is flawed, number of students must be whole numbers.
Check your typing.

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