<u>8th Grade: </u>90 x 0.80 = 72
<u>7th Grade:</u> 80 x 0.75 = 60
Conclusion: 8th Graders like pop music more because 72 out of the 90 in 8th grade Dave surveyed enjoy it, compared to the 60 out of 80 in 7th grade that enjoyed it.
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Answer: multiple them all together or add them
Step-by-step explanation:
.10 is the answer because it says in a scale so that tells you it's going to be a decimal