4:3 > 8:6 > 12:9 > 16:12 > 20:15 > 24:18 the answer must be 24 seventh graders are there
24
Step-by-step explanation:it must be 24 i know for a fact it is 24
because i got it right on my test
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The number of seventh graders participating in the science fair is 24, based on the ratio of 4:3 with 18 eighth graders.
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