I think the equation for this would be 9+1.35x
then i think you would have to round it after because you cant really have a third of someone.
There are 18 students in Grade 7, 10 are in band, so 10/18 = 0.56 are in band.
There are 12 students in Grade 8, 10 are in band, so 10/12 = 0.83 are in band.
Students in Grade 8 are more likely to be members of the band.
Answer:
D) 
Step-by-step explanation:
Given expression:

The above expression can be rewritten using grouping symbols by using properties of equality.
We apply distributive property of multiplication according to which:

the product of a number and each addend individually added together is equal to the product of that number and sum of the addends.
So, we can write
