math
posted by panda .
Ok, the problem says:
a Middle school has 125 6th graders, 150 7th graders, and 100 8th graders. Which statement is NOT true?
a. the ratio of 6th graders to 7th graders is 5 to 6.
b. the ratio of 8th graders to 7th graders is 3:2.
c. the ratio of 6th graders to students in all three grades is 1:3.
d. the ratio of 8th graders to students in all 3 grades is 4 to 15.
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