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.
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?
1 answer